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Finding the Fourth Proportional to 66,709.58, 92,055.78 and 36,489.02

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Solution

The fourth proportional to 66,709.58, 92,055.78 and 36,489.02 is: 50,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,709.58 : 92,055.78 = 36,489.02 : x
  2. Step 2: Convert to fraction form
    66,709.58/92,055.78 = 36,489.02/x
  3. Step 3: Cross multiply
    66,709.58x = 92,055.78 × 36,489.02
  4. Step 4: Simplify right side
    66,709.58x = 3,359,024,737.26
  5. Step 5: Solve for x
    x = 3,359,024,737.26/66,709.58
  6. Step 6: Final answer
    x = 50,352.96

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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.