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Finding the Fourth Proportional to 58,557.93, 80,809.98 and 31,700.44

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Solution

The fourth proportional to 58,557.93, 80,809.98 and 31,700.44 is: 43,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,557.93 : 80,809.98 = 31,700.44 : x
  2. Step 2: Convert to fraction form
    58,557.93/80,809.98 = 31,700.44/x
  3. Step 3: Cross multiply
    58,557.93x = 80,809.98 × 31,700.44
  4. Step 4: Simplify right side
    58,557.93x = 2,561,711,864.90
  5. Step 5: Solve for x
    x = 2,561,711,864.90/58,557.93
  6. Step 6: Final answer
    x = 43,746.62

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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.