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Finding the Fourth Proportional to 60,860.70, 91,325.43 and 32,780.16

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Solution

The fourth proportional to 60,860.70, 91,325.43 and 32,780.16 is: 49,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,860.70 : 91,325.43 = 32,780.16 : x
  2. Step 2: Convert to fraction form
    60,860.70/91,325.43 = 32,780.16/x
  3. Step 3: Cross multiply
    60,860.70x = 91,325.43 × 32,780.16
  4. Step 4: Simplify right side
    60,860.70x = 2,993,662,207.47
  5. Step 5: Solve for x
    x = 2,993,662,207.47/60,860.70
  6. Step 6: Final answer
    x = 49,188.76

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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.