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Finding the Fourth Proportional to 15,773.97, 23,657.61 and 5,913.97

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Solution

The fourth proportional to 15,773.97, 23,657.61 and 5,913.97 is: 8,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773.97 : 23,657.61 = 5,913.97 : x
  2. Step 2: Convert to fraction form
    15,773.97/23,657.61 = 5,913.97/x
  3. Step 3: Cross multiply
    15,773.97x = 23,657.61 × 5,913.97
  4. Step 4: Simplify right side
    15,773.97x = 139,910,395.81
  5. Step 5: Solve for x
    x = 139,910,395.81/15,773.97
  6. Step 6: Final answer
    x = 8,869.70

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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.