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Finding the Fourth Proportional to 48,281.68, 72,092.22 and 43,251.58

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Solution

The fourth proportional to 48,281.68, 72,092.22 and 43,251.58 is: 64,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,281.68 : 72,092.22 = 43,251.58 : x
  2. Step 2: Convert to fraction form
    48,281.68/72,092.22 = 43,251.58/x
  3. Step 3: Cross multiply
    48,281.68x = 72,092.22 × 43,251.58
  4. Step 4: Simplify right side
    48,281.68x = 3,118,102,420.71
  5. Step 5: Solve for x
    x = 3,118,102,420.71/48,281.68
  6. Step 6: Final answer
    x = 64,581.48

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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.