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Finding the Fourth Proportional to 29,221.56, 40,596.12 and 28,948.32

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Solution

The fourth proportional to 29,221.56, 40,596.12 and 28,948.32 is: 40,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.56 : 40,596.12 = 28,948.32 : x
  2. Step 2: Convert to fraction form
    29,221.56/40,596.12 = 28,948.32/x
  3. Step 3: Cross multiply
    29,221.56x = 40,596.12 × 28,948.32
  4. Step 4: Simplify right side
    29,221.56x = 1,175,189,472.52
  5. Step 5: Solve for x
    x = 1,175,189,472.52/29,221.56
  6. Step 6: Final answer
    x = 40,216.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.