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Finding the Fourth Proportional to 15,248.16, 22,829.10 and 9,687.72

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Solution

The fourth proportional to 15,248.16, 22,829.10 and 9,687.72 is: 14,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.16 : 22,829.10 = 9,687.72 : x
  2. Step 2: Convert to fraction form
    15,248.16/22,829.10 = 9,687.72/x
  3. Step 3: Cross multiply
    15,248.16x = 22,829.10 × 9,687.72
  4. Step 4: Simplify right side
    15,248.16x = 221,161,928.65
  5. Step 5: Solve for x
    x = 221,161,928.65/15,248.16
  6. Step 6: Final answer
    x = 14,504.17

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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.