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Finding the Fourth Proportional to 40,374.60, 60,551.10 and 14,076.60

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Solution

The fourth proportional to 40,374.60, 60,551.10 and 14,076.60 is: 21,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,374.60 : 60,551.10 = 14,076.60 : x
  2. Step 2: Convert to fraction form
    40,374.60/60,551.10 = 14,076.60/x
  3. Step 3: Cross multiply
    40,374.60x = 60,551.10 × 14,076.60
  4. Step 4: Simplify right side
    40,374.60x = 852,353,614.26
  5. Step 5: Solve for x
    x = 852,353,614.26/40,374.60
  6. Step 6: Final answer
    x = 21,111.13

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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.