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Finding the Fourth Proportional to 40,683.35, 61,015.46 and 22,921.71

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Solution

The fourth proportional to 40,683.35, 61,015.46 and 22,921.71 is: 34,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,683.35 : 61,015.46 = 22,921.71 : x
  2. Step 2: Convert to fraction form
    40,683.35/61,015.46 = 22,921.71/x
  3. Step 3: Cross multiply
    40,683.35x = 61,015.46 × 22,921.71
  4. Step 4: Simplify right side
    40,683.35x = 1,398,578,565.03
  5. Step 5: Solve for x
    x = 1,398,578,565.03/40,683.35
  6. Step 6: Final answer
    x = 34,377.18

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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.