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Finding the Fourth Proportional to 9,798.61, 13,518.82 and 5,549.24

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Solution

The fourth proportional to 9,798.61, 13,518.82 and 5,549.24 is: 7,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.61 : 13,518.82 = 5,549.24 : x
  2. Step 2: Convert to fraction form
    9,798.61/13,518.82 = 5,549.24/x
  3. Step 3: Cross multiply
    9,798.61x = 13,518.82 × 5,549.24
  4. Step 4: Simplify right side
    9,798.61x = 75,019,176.70
  5. Step 5: Solve for x
    x = 75,019,176.70/9,798.61
  6. Step 6: Final answer
    x = 7,656.10

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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.