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Finding the Fourth Proportional to 62,813.70, 94,220.55 and 55,815.30

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Solution

The fourth proportional to 62,813.70, 94,220.55 and 55,815.30 is: 83,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,813.70 : 94,220.55 = 55,815.30 : x
  2. Step 2: Convert to fraction form
    62,813.70/94,220.55 = 55,815.30/x
  3. Step 3: Cross multiply
    62,813.70x = 94,220.55 × 55,815.30
  4. Step 4: Simplify right side
    62,813.70x = 5,258,948,264.42
  5. Step 5: Solve for x
    x = 5,258,948,264.42/62,813.70
  6. Step 6: Final answer
    x = 83,722.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.