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Finding the Fourth Proportional to 60,722.90, 91,074.05 and 16,339.76

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Solution

The fourth proportional to 60,722.90, 91,074.05 and 16,339.76 is: 24,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,722.90 : 91,074.05 = 16,339.76 : x
  2. Step 2: Convert to fraction form
    60,722.90/91,074.05 = 16,339.76/x
  3. Step 3: Cross multiply
    60,722.90x = 91,074.05 × 16,339.76
  4. Step 4: Simplify right side
    60,722.90x = 1,488,128,119.23
  5. Step 5: Solve for x
    x = 1,488,128,119.23/60,722.90
  6. Step 6: Final answer
    x = 24,506.87

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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.