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Finding the Fourth Proportional to 40,294, 60,443.16 and 12,594.16

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Solution

The fourth proportional to 40,294, 60,443.16 and 12,594.16 is: 18,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,294 : 60,443.16 = 12,594.16 : x
  2. Step 2: Convert to fraction form
    40,294/60,443.16 = 12,594.16/x
  3. Step 3: Cross multiply
    40,294x = 60,443.16 × 12,594.16
  4. Step 4: Simplify right side
    40,294x = 761,230,827.95
  5. Step 5: Solve for x
    x = 761,230,827.95/40,294
  6. Step 6: Final answer
    x = 18,891.92

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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.