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Finding the Fourth Proportional to 32,256.80, 48,320.40 and 22,407.20

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Solution

The fourth proportional to 32,256.80, 48,320.40 and 22,407.20 is: 33,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,256.80 : 48,320.40 = 22,407.20 : x
  2. Step 2: Convert to fraction form
    32,256.80/48,320.40 = 22,407.20/x
  3. Step 3: Cross multiply
    32,256.80x = 48,320.40 × 22,407.20
  4. Step 4: Simplify right side
    32,256.80x = 1,082,724,866.88
  5. Step 5: Solve for x
    x = 1,082,724,866.88/32,256.80
  6. Step 6: Final answer
    x = 33,565.79

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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.