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Finding the Fourth Proportional to 60,693.39, 90,806.79 and 36,996.63

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Solution

The fourth proportional to 60,693.39, 90,806.79 and 36,996.63 is: 55,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,693.39 : 90,806.79 = 36,996.63 : x
  2. Step 2: Convert to fraction form
    60,693.39/90,806.79 = 36,996.63/x
  3. Step 3: Cross multiply
    60,693.39x = 90,806.79 × 36,996.63
  4. Step 4: Simplify right side
    60,693.39x = 3,359,545,211.12
  5. Step 5: Solve for x
    x = 3,359,545,211.12/60,693.39
  6. Step 6: Final answer
    x = 55,352.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.