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Finding the Fourth Proportional to 62,122.76, 85,731.68 and 33,830.52

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Solution

The fourth proportional to 62,122.76, 85,731.68 and 33,830.52 is: 46,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,122.76 : 85,731.68 = 33,830.52 : x
  2. Step 2: Convert to fraction form
    62,122.76/85,731.68 = 33,830.52/x
  3. Step 3: Cross multiply
    62,122.76x = 85,731.68 × 33,830.52
  4. Step 4: Simplify right side
    62,122.76x = 2,900,347,314.87
  5. Step 5: Solve for x
    x = 2,900,347,314.87/62,122.76
  6. Step 6: Final answer
    x = 46,687.35

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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.