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Finding the Fourth Proportional to 48,456.59, 66,866.80 and 29,346.98

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Solution

The fourth proportional to 48,456.59, 66,866.80 and 29,346.98 is: 40,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456.59 : 66,866.80 = 29,346.98 : x
  2. Step 2: Convert to fraction form
    48,456.59/66,866.80 = 29,346.98/x
  3. Step 3: Cross multiply
    48,456.59x = 66,866.80 × 29,346.98
  4. Step 4: Simplify right side
    48,456.59x = 1,962,338,289.59
  5. Step 5: Solve for x
    x = 1,962,338,289.59/48,456.59
  6. Step 6: Final answer
    x = 40,496.83

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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.