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Finding the Fourth Proportional to 67,918.35, 93,728.36 and 37,705.62

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Solution

The fourth proportional to 67,918.35, 93,728.36 and 37,705.62 is: 52,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918.35 : 93,728.36 = 37,705.62 : x
  2. Step 2: Convert to fraction form
    67,918.35/93,728.36 = 37,705.62/x
  3. Step 3: Cross multiply
    67,918.35x = 93,728.36 × 37,705.62
  4. Step 4: Simplify right side
    67,918.35x = 3,534,085,925.38
  5. Step 5: Solve for x
    x = 3,534,085,925.38/67,918.35
  6. Step 6: Final answer
    x = 52,034.33

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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.