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Finding the Fourth Proportional to 40,507.47, 60,788.34 and 14,212.44

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Solution

The fourth proportional to 40,507.47, 60,788.34 and 14,212.44 is: 21,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,507.47 : 60,788.34 = 14,212.44 : x
  2. Step 2: Convert to fraction form
    40,507.47/60,788.34 = 14,212.44/x
  3. Step 3: Cross multiply
    40,507.47x = 60,788.34 × 14,212.44
  4. Step 4: Simplify right side
    40,507.47x = 863,950,634.95
  5. Step 5: Solve for x
    x = 863,950,634.95/40,507.47
  6. Step 6: Final answer
    x = 21,328.18

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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.