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Finding the Fourth Proportional to 62,818.40, 94,227.60 and 21,265.40

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Solution

The fourth proportional to 62,818.40, 94,227.60 and 21,265.40 is: 31,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,818.40 : 94,227.60 = 21,265.40 : x
  2. Step 2: Convert to fraction form
    62,818.40/94,227.60 = 21,265.40/x
  3. Step 3: Cross multiply
    62,818.40x = 94,227.60 × 21,265.40
  4. Step 4: Simplify right side
    62,818.40x = 2,003,787,605.04
  5. Step 5: Solve for x
    x = 2,003,787,605.04/62,818.40
  6. Step 6: Final answer
    x = 31,898.10

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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.