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Finding the Fourth Proportional to 32,597.76, 48,902.40 and 18,739.20

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Solution

The fourth proportional to 32,597.76, 48,902.40 and 18,739.20 is: 28,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,597.76 : 48,902.40 = 18,739.20 : x
  2. Step 2: Convert to fraction form
    32,597.76/48,902.40 = 18,739.20/x
  3. Step 3: Cross multiply
    32,597.76x = 48,902.40 × 18,739.20
  4. Step 4: Simplify right side
    32,597.76x = 916,391,854.08
  5. Step 5: Solve for x
    x = 916,391,854.08/32,597.76
  6. Step 6: Final answer
    x = 28,112.11

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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.