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Finding the Fourth Proportional to 58,495.68, 80,760.96 and 40,584.96

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Solution

The fourth proportional to 58,495.68, 80,760.96 and 40,584.96 is: 56,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,495.68 : 80,760.96 = 40,584.96 : x
  2. Step 2: Convert to fraction form
    58,495.68/80,760.96 = 40,584.96/x
  3. Step 3: Cross multiply
    58,495.68x = 80,760.96 × 40,584.96
  4. Step 4: Simplify right side
    58,495.68x = 3,277,680,331.16
  5. Step 5: Solve for x
    x = 3,277,680,331.16/58,495.68
  6. Step 6: Final answer
    x = 56,032.86

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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.