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Finding the Fourth Proportional to 58,808.40, 88,115.40 and 50,449.20

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Solution

The fourth proportional to 58,808.40, 88,115.40 and 50,449.20 is: 75,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,808.40 : 88,115.40 = 50,449.20 : x
  2. Step 2: Convert to fraction form
    58,808.40/88,115.40 = 50,449.20/x
  3. Step 3: Cross multiply
    58,808.40x = 88,115.40 × 50,449.20
  4. Step 4: Simplify right side
    58,808.40x = 4,445,351,437.68
  5. Step 5: Solve for x
    x = 4,445,351,437.68/58,808.40
  6. Step 6: Final answer
    x = 75,590.42

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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.