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Finding the Fourth Proportional to 66,337.92, 91,548.59 and 36,123.76

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Solution

The fourth proportional to 66,337.92, 91,548.59 and 36,123.76 is: 49,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.92 : 91,548.59 = 36,123.76 : x
  2. Step 2: Convert to fraction form
    66,337.92/91,548.59 = 36,123.76/x
  3. Step 3: Cross multiply
    66,337.92x = 91,548.59 × 36,123.76
  4. Step 4: Simplify right side
    66,337.92x = 3,307,079,293.50
  5. Step 5: Solve for x
    x = 3,307,079,293.50/66,337.92
  6. Step 6: Final answer
    x = 49,852.02

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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.