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Finding the Fourth Proportional to 40,573.59, 60,860.52 and 12,493.47

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Solution

The fourth proportional to 40,573.59, 60,860.52 and 12,493.47 is: 18,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,573.59 : 60,860.52 = 12,493.47 : x
  2. Step 2: Convert to fraction form
    40,573.59/60,860.52 = 12,493.47/x
  3. Step 3: Cross multiply
    40,573.59x = 60,860.52 × 12,493.47
  4. Step 4: Simplify right side
    40,573.59x = 760,359,080.80
  5. Step 5: Solve for x
    x = 760,359,080.80/40,573.59
  6. Step 6: Final answer
    x = 18,740.25

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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.