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Finding the Fourth Proportional to 58,239.39, 87,227.82 and 40,787.13

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Solution

The fourth proportional to 58,239.39, 87,227.82 and 40,787.13 is: 61,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,239.39 : 87,227.82 = 40,787.13 : x
  2. Step 2: Convert to fraction form
    58,239.39/87,227.82 = 40,787.13/x
  3. Step 3: Cross multiply
    58,239.39x = 87,227.82 × 40,787.13
  4. Step 4: Simplify right side
    58,239.39x = 3,557,772,433.96
  5. Step 5: Solve for x
    x = 3,557,772,433.96/58,239.39
  6. Step 6: Final answer
    x = 61,088.77

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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.