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Finding the Fourth Proportional to 62,296.80, 93,445.20 and 20,738.40

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Solution

The fourth proportional to 62,296.80, 93,445.20 and 20,738.40 is: 31,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,296.80 : 93,445.20 = 20,738.40 : x
  2. Step 2: Convert to fraction form
    62,296.80/93,445.20 = 20,738.40/x
  3. Step 3: Cross multiply
    62,296.80x = 93,445.20 × 20,738.40
  4. Step 4: Simplify right side
    62,296.80x = 1,937,903,935.68
  5. Step 5: Solve for x
    x = 1,937,903,935.68/62,296.80
  6. Step 6: Final answer
    x = 31,107.60

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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.