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Finding the Fourth Proportional to 67,874.16, 93,666.22 and 37,664.08

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Solution

The fourth proportional to 67,874.16, 93,666.22 and 37,664.08 is: 51,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,874.16 : 93,666.22 = 37,664.08 : x
  2. Step 2: Convert to fraction form
    67,874.16/93,666.22 = 37,664.08/x
  3. Step 3: Cross multiply
    67,874.16x = 93,666.22 × 37,664.08
  4. Step 4: Simplify right side
    67,874.16x = 3,527,852,003.38
  5. Step 5: Solve for x
    x = 3,527,852,003.38/67,874.16
  6. Step 6: Final answer
    x = 51,976.36

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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.