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Finding the Fourth Proportional to 9,010.60, 13,515.90 and 8,924.20

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Solution

The fourth proportional to 9,010.60, 13,515.90 and 8,924.20 is: 13,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.60 : 13,515.90 = 8,924.20 : x
  2. Step 2: Convert to fraction form
    9,010.60/13,515.90 = 8,924.20/x
  3. Step 3: Cross multiply
    9,010.60x = 13,515.90 × 8,924.20
  4. Step 4: Simplify right side
    9,010.60x = 120,618,594.78
  5. Step 5: Solve for x
    x = 120,618,594.78/9,010.60
  6. Step 6: Final answer
    x = 13,386.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.