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Finding the Fourth Proportional to 62,630.43, 93,601.77 and 45,798.90

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Solution

The fourth proportional to 62,630.43, 93,601.77 and 45,798.90 is: 68,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,630.43 : 93,601.77 = 45,798.90 : x
  2. Step 2: Convert to fraction form
    62,630.43/93,601.77 = 45,798.90/x
  3. Step 3: Cross multiply
    62,630.43x = 93,601.77 × 45,798.90
  4. Step 4: Simplify right side
    62,630.43x = 4,286,858,104.05
  5. Step 5: Solve for x
    x = 4,286,858,104.05/62,630.43
  6. Step 6: Final answer
    x = 68,446.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.