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Finding the Fourth Proportional to 40,319.44, 60,479.99 and 14,672.89

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Solution

The fourth proportional to 40,319.44, 60,479.99 and 14,672.89 is: 22,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.44 : 60,479.99 = 14,672.89 : x
  2. Step 2: Convert to fraction form
    40,319.44/60,479.99 = 14,672.89/x
  3. Step 3: Cross multiply
    40,319.44x = 60,479.99 × 14,672.89
  4. Step 4: Simplify right side
    40,319.44x = 887,416,167.11
  5. Step 5: Solve for x
    x = 887,416,167.11/40,319.44
  6. Step 6: Final answer
    x = 22,009.64

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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.