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Finding the Fourth Proportional to 67,781.61, 93,537.51 and 37,566.84

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Solution

The fourth proportional to 67,781.61, 93,537.51 and 37,566.84 is: 51,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,781.61 : 93,537.51 = 37,566.84 : x
  2. Step 2: Convert to fraction form
    67,781.61/93,537.51 = 37,566.84/x
  3. Step 3: Cross multiply
    67,781.61x = 93,537.51 × 37,566.84
  4. Step 4: Simplify right side
    67,781.61x = 3,513,908,672.17
  5. Step 5: Solve for x
    x = 3,513,908,672.17/67,781.61
  6. Step 6: Final answer
    x = 51,841.62

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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.