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Finding the Fourth Proportional to 32,472.80, 48,709.20 and 27,005.30

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Solution

The fourth proportional to 32,472.80, 48,709.20 and 27,005.30 is: 40,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,472.80 : 48,709.20 = 27,005.30 : x
  2. Step 2: Convert to fraction form
    32,472.80/48,709.20 = 27,005.30/x
  3. Step 3: Cross multiply
    32,472.80x = 48,709.20 × 27,005.30
  4. Step 4: Simplify right side
    32,472.80x = 1,315,406,558.76
  5. Step 5: Solve for x
    x = 1,315,406,558.76/32,472.80
  6. Step 6: Final answer
    x = 40,507.95

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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.