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Finding the Fourth Proportional to 15,062.80, 22,642.80 and 10,710.40

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Solution

The fourth proportional to 15,062.80, 22,642.80 and 10,710.40 is: 16,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.80 : 22,642.80 = 10,710.40 : x
  2. Step 2: Convert to fraction form
    15,062.80/22,642.80 = 10,710.40/x
  3. Step 3: Cross multiply
    15,062.80x = 22,642.80 × 10,710.40
  4. Step 4: Simplify right side
    15,062.80x = 242,513,445.12
  5. Step 5: Solve for x
    x = 242,513,445.12/15,062.80
  6. Step 6: Final answer
    x = 16,100.16

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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.