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Finding the Fourth Proportional to 15,103.60, 22,646.40 and 9,264.40

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Solution

The fourth proportional to 15,103.60, 22,646.40 and 9,264.40 is: 13,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.60 : 22,646.40 = 9,264.40 : x
  2. Step 2: Convert to fraction form
    15,103.60/22,646.40 = 9,264.40/x
  3. Step 3: Cross multiply
    15,103.60x = 22,646.40 × 9,264.40
  4. Step 4: Simplify right side
    15,103.60x = 209,805,308.16
  5. Step 5: Solve for x
    x = 209,805,308.16/15,103.60
  6. Step 6: Final answer
    x = 13,891.08

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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.