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Finding the Fourth Proportional to 48,614.40, 67,159.80 and 45,295.20

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Solution

The fourth proportional to 48,614.40, 67,159.80 and 45,295.20 is: 62,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.40 : 67,159.80 = 45,295.20 : x
  2. Step 2: Convert to fraction form
    48,614.40/67,159.80 = 45,295.20/x
  3. Step 3: Cross multiply
    48,614.40x = 67,159.80 × 45,295.20
  4. Step 4: Simplify right side
    48,614.40x = 3,042,016,572.96
  5. Step 5: Solve for x
    x = 3,042,016,572.96/48,614.40
  6. Step 6: Final answer
    x = 62,574.39

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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.