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Finding the Fourth Proportional to 40,294.09, 60,441.12 and 12,592.09

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Solution

The fourth proportional to 40,294.09, 60,441.12 and 12,592.09 is: 18,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,294.09 : 60,441.12 = 12,592.09 : x
  2. Step 2: Convert to fraction form
    40,294.09/60,441.12 = 12,592.09/x
  3. Step 3: Cross multiply
    40,294.09x = 60,441.12 × 12,592.09
  4. Step 4: Simplify right side
    40,294.09x = 761,080,022.74
  5. Step 5: Solve for x
    x = 761,080,022.74/40,294.09
  6. Step 6: Final answer
    x = 18,888.13

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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.