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Finding the Fourth Proportional to 58,759.60, 81,088.88 and 31,902.40

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Solution

The fourth proportional to 58,759.60, 81,088.88 and 31,902.40 is: 44,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,759.60 : 81,088.88 = 31,902.40 : x
  2. Step 2: Convert to fraction form
    58,759.60/81,088.88 = 31,902.40/x
  3. Step 3: Cross multiply
    58,759.60x = 81,088.88 × 31,902.40
  4. Step 4: Simplify right side
    58,759.60x = 2,586,929,885.31
  5. Step 5: Solve for x
    x = 2,586,929,885.31/58,759.60
  6. Step 6: Final answer
    x = 44,025.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.