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Finding the Fourth Proportional to 48,353.68, 72,496.50 and 18,746.56

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Solution

The fourth proportional to 48,353.68, 72,496.50 and 18,746.56 is: 28,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,353.68 : 72,496.50 = 18,746.56 : x
  2. Step 2: Convert to fraction form
    48,353.68/72,496.50 = 18,746.56/x
  3. Step 3: Cross multiply
    48,353.68x = 72,496.50 × 18,746.56
  4. Step 4: Simplify right side
    48,353.68x = 1,359,059,987.04
  5. Step 5: Solve for x
    x = 1,359,059,987.04/48,353.68
  6. Step 6: Final answer
    x = 28,106.65

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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.