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Finding the Fourth Proportional to 15,792.96, 23,691.78 and 5,259.54

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Solution

The fourth proportional to 15,792.96, 23,691.78 and 5,259.54 is: 7,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792.96 : 23,691.78 = 5,259.54 : x
  2. Step 2: Convert to fraction form
    15,792.96/23,691.78 = 5,259.54/x
  3. Step 3: Cross multiply
    15,792.96x = 23,691.78 × 5,259.54
  4. Step 4: Simplify right side
    15,792.96x = 124,607,864.58
  5. Step 5: Solve for x
    x = 124,607,864.58/15,792.96
  6. Step 6: Final answer
    x = 7,890.09

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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.