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Finding the Fourth Proportional to 66,393.27, 91,614.65 and 37,702.67

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Solution

The fourth proportional to 66,393.27, 91,614.65 and 37,702.67 is: 52,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,393.27 : 91,614.65 = 37,702.67 : x
  2. Step 2: Convert to fraction form
    66,393.27/91,614.65 = 37,702.67/x
  3. Step 3: Cross multiply
    66,393.27x = 91,614.65 × 37,702.67
  4. Step 4: Simplify right side
    66,393.27x = 3,454,116,269.53
  5. Step 5: Solve for x
    x = 3,454,116,269.53/66,393.27
  6. Step 6: Final answer
    x = 52,025.10

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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.