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Finding the Fourth Proportional to 15,009.53, 22,508.89 and 5,146.16

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Solution

The fourth proportional to 15,009.53, 22,508.89 and 5,146.16 is: 7,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.53 : 22,508.89 = 5,146.16 : x
  2. Step 2: Convert to fraction form
    15,009.53/22,508.89 = 5,146.16/x
  3. Step 3: Cross multiply
    15,009.53x = 22,508.89 × 5,146.16
  4. Step 4: Simplify right side
    15,009.53x = 115,834,349.36
  5. Step 5: Solve for x
    x = 115,834,349.36/15,009.53
  6. Step 6: Final answer
    x = 7,717.39

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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.