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Finding the Fourth Proportional to 9,798.76, 13,521.54 and 5,549.32

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Solution

The fourth proportional to 9,798.76, 13,521.54 and 5,549.32 is: 7,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.76 : 13,521.54 = 5,549.32 : x
  2. Step 2: Convert to fraction form
    9,798.76/13,521.54 = 5,549.32/x
  3. Step 3: Cross multiply
    9,798.76x = 13,521.54 × 5,549.32
  4. Step 4: Simplify right side
    9,798.76x = 75,035,352.35
  5. Step 5: Solve for x
    x = 75,035,352.35/9,798.76
  6. Step 6: Final answer
    x = 7,657.64

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Half scale
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Double scale
Find fourth proportional to 9,799.76, 13,522.92 and 5,550.32
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.