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Finding the Fourth Proportional to 67,730.65, 93,468.20 and 37,515.96

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Solution

The fourth proportional to 67,730.65, 93,468.20 and 37,515.96 is: 51,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,730.65 : 93,468.20 = 37,515.96 : x
  2. Step 2: Convert to fraction form
    67,730.65/93,468.20 = 37,515.96/x
  3. Step 3: Cross multiply
    67,730.65x = 93,468.20 × 37,515.96
  4. Step 4: Simplify right side
    67,730.65x = 3,506,549,064.89
  5. Step 5: Solve for x
    x = 3,506,549,064.89/67,730.65
  6. Step 6: Final answer
    x = 51,771.97

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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.