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Finding the Fourth Proportional to 60,999.42, 91,488.75 and 16,615.80

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Solution

The fourth proportional to 60,999.42, 91,488.75 and 16,615.80 is: 24,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,999.42 : 91,488.75 = 16,615.80 : x
  2. Step 2: Convert to fraction form
    60,999.42/91,488.75 = 16,615.80/x
  3. Step 3: Cross multiply
    60,999.42x = 91,488.75 × 16,615.80
  4. Step 4: Simplify right side
    60,999.42x = 1,520,158,356.35
  5. Step 5: Solve for x
    x = 1,520,158,356.35/60,999.42
  6. Step 6: Final answer
    x = 24,920.86

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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.