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Finding the Fourth Proportional to 62,702.70, 86,527.08 and 34,406.57

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Solution

The fourth proportional to 62,702.70, 86,527.08 and 34,406.57 is: 47,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,702.70 : 86,527.08 = 34,406.57 : x
  2. Step 2: Convert to fraction form
    62,702.70/86,527.08 = 34,406.57/x
  3. Step 3: Cross multiply
    62,702.70x = 86,527.08 × 34,406.57
  4. Step 4: Simplify right side
    62,702.70x = 2,977,099,602.28
  5. Step 5: Solve for x
    x = 2,977,099,602.28/62,702.70
  6. Step 6: Final answer
    x = 47,479.61

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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.