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Finding the Fourth Proportional to 67,666.44, 93,356.74 and 39,348.84

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Solution

The fourth proportional to 67,666.44, 93,356.74 and 39,348.84 is: 54,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,666.44 : 93,356.74 = 39,348.84 : x
  2. Step 2: Convert to fraction form
    67,666.44/93,356.74 = 39,348.84/x
  3. Step 3: Cross multiply
    67,666.44x = 93,356.74 × 39,348.84
  4. Step 4: Simplify right side
    67,666.44x = 3,673,479,425.18
  5. Step 5: Solve for x
    x = 3,673,479,425.18/67,666.44
  6. Step 6: Final answer
    x = 54,288.06

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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.