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Finding the Fourth Proportional to 67,674, 93,432.48 and 43,484.76

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Solution

The fourth proportional to 67,674, 93,432.48 and 43,484.76 is: 60,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,674 : 93,432.48 = 43,484.76 : x
  2. Step 2: Convert to fraction form
    67,674/93,432.48 = 43,484.76/x
  3. Step 3: Cross multiply
    67,674x = 93,432.48 × 43,484.76
  4. Step 4: Simplify right side
    67,674x = 4,062,888,969.00
  5. Step 5: Solve for x
    x = 4,062,888,969.00/67,674
  6. Step 6: Final answer
    x = 60,036.19

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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.