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Finding the Fourth Proportional to 55,506.60, 83,312.10 and 29,230.20

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Solution

The fourth proportional to 55,506.60, 83,312.10 and 29,230.20 is: 43,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,506.60 : 83,312.10 = 29,230.20 : x
  2. Step 2: Convert to fraction form
    55,506.60/83,312.10 = 29,230.20/x
  3. Step 3: Cross multiply
    55,506.60x = 83,312.10 × 29,230.20
  4. Step 4: Simplify right side
    55,506.60x = 2,435,229,345.42
  5. Step 5: Solve for x
    x = 2,435,229,345.42/55,506.60
  6. Step 6: Final answer
    x = 43,872.79

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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.