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Finding the Fourth Proportional to 67,760.60, 93,424.62 and 43,518.77

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Solution

The fourth proportional to 67,760.60, 93,424.62 and 43,518.77 is: 60,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,760.60 : 93,424.62 = 43,518.77 : x
  2. Step 2: Convert to fraction form
    67,760.60/93,424.62 = 43,518.77/x
  3. Step 3: Cross multiply
    67,760.60x = 93,424.62 × 43,518.77
  4. Step 4: Simplify right side
    67,760.60x = 4,065,724,229.34
  5. Step 5: Solve for x
    x = 4,065,724,229.34/67,760.60
  6. Step 6: Final answer
    x = 60,001.30

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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.