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Finding the Fourth Proportional to 55,441.92, 76,509.88 and 29,948.29

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Solution

The fourth proportional to 55,441.92, 76,509.88 and 29,948.29 is: 41,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.92 : 76,509.88 = 29,948.29 : x
  2. Step 2: Convert to fraction form
    55,441.92/76,509.88 = 29,948.29/x
  3. Step 3: Cross multiply
    55,441.92x = 76,509.88 × 29,948.29
  4. Step 4: Simplify right side
    55,441.92x = 2,291,339,957.70
  5. Step 5: Solve for x
    x = 2,291,339,957.70/55,441.92
  6. Step 6: Final answer
    x = 41,328.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.