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Finding the Fourth Proportional to 53,609.60, 80,414.40 and 41,192.30

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Solution

The fourth proportional to 53,609.60, 80,414.40 and 41,192.30 is: 61,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,609.60 : 80,414.40 = 41,192.30 : x
  2. Step 2: Convert to fraction form
    53,609.60/80,414.40 = 41,192.30/x
  3. Step 3: Cross multiply
    53,609.60x = 80,414.40 × 41,192.30
  4. Step 4: Simplify right side
    53,609.60x = 3,312,454,089.12
  5. Step 5: Solve for x
    x = 3,312,454,089.12/53,609.60
  6. Step 6: Final answer
    x = 61,788.45

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Similar ratio
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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.