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Finding the Fourth Proportional to 62,283.87, 85,951.73 and 38,424.40

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Solution

The fourth proportional to 62,283.87, 85,951.73 and 38,424.40 is: 53,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,283.87 : 85,951.73 = 38,424.40 : x
  2. Step 2: Convert to fraction form
    62,283.87/85,951.73 = 38,424.40/x
  3. Step 3: Cross multiply
    62,283.87x = 85,951.73 × 38,424.40
  4. Step 4: Simplify right side
    62,283.87x = 3,302,643,535.39
  5. Step 5: Solve for x
    x = 3,302,643,535.39/62,283.87
  6. Step 6: Final answer
    x = 53,025.66

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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.