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Finding the Fourth Proportional to 61,565.57, 92,315.53 and 31,953.59

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Solution

The fourth proportional to 61,565.57, 92,315.53 and 31,953.59 is: 47,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,565.57 : 92,315.53 = 31,953.59 : x
  2. Step 2: Convert to fraction form
    61,565.57/92,315.53 = 31,953.59/x
  3. Step 3: Cross multiply
    61,565.57x = 92,315.53 × 31,953.59
  4. Step 4: Simplify right side
    61,565.57x = 2,949,812,596.25
  5. Step 5: Solve for x
    x = 2,949,812,596.25/61,565.57
  6. Step 6: Final answer
    x = 47,913.35

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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.