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Finding the Fourth Proportional to 48,458.80, 72,639.60 and 22,182.40

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Solution

The fourth proportional to 48,458.80, 72,639.60 and 22,182.40 is: 33,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458.80 : 72,639.60 = 22,182.40 : x
  2. Step 2: Convert to fraction form
    48,458.80/72,639.60 = 22,182.40/x
  3. Step 3: Cross multiply
    48,458.80x = 72,639.60 × 22,182.40
  4. Step 4: Simplify right side
    48,458.80x = 1,611,320,663.04
  5. Step 5: Solve for x
    x = 1,611,320,663.04/48,458.80
  6. Step 6: Final answer
    x = 33,251.35

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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.