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Finding the Fourth Proportional to 66,697.77, 92,030.19 and 38,016.89

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Solution

The fourth proportional to 66,697.77, 92,030.19 and 38,016.89 is: 52,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,697.77 : 92,030.19 = 38,016.89 : x
  2. Step 2: Convert to fraction form
    66,697.77/92,030.19 = 38,016.89/x
  3. Step 3: Cross multiply
    66,697.77x = 92,030.19 × 38,016.89
  4. Step 4: Simplify right side
    66,697.77x = 3,498,701,149.76
  5. Step 5: Solve for x
    x = 3,498,701,149.76/66,697.77
  6. Step 6: Final answer
    x = 52,456.04

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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.