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Finding the Fourth Proportional to 9,559.02, 13,191 and 5,310.36

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Solution

The fourth proportional to 9,559.02, 13,191 and 5,310.36 is: 7,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.02 : 13,191 = 5,310.36 : x
  2. Step 2: Convert to fraction form
    9,559.02/13,191 = 5,310.36/x
  3. Step 3: Cross multiply
    9,559.02x = 13,191 × 5,310.36
  4. Step 4: Simplify right side
    9,559.02x = 70,048,958.76
  5. Step 5: Solve for x
    x = 70,048,958.76/9,559.02
  6. Step 6: Final answer
    x = 7,328.05

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Half scale
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Double scale
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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.