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Finding the Fourth Proportional to 40,474.60, 60,701.10 and 14,176.60

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Solution

The fourth proportional to 40,474.60, 60,701.10 and 14,176.60 is: 21,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,474.60 : 60,701.10 = 14,176.60 : x
  2. Step 2: Convert to fraction form
    40,474.60/60,701.10 = 14,176.60/x
  3. Step 3: Cross multiply
    40,474.60x = 60,701.10 × 14,176.60
  4. Step 4: Simplify right side
    40,474.60x = 860,535,214.26
  5. Step 5: Solve for x
    x = 860,535,214.26/40,474.60
  6. Step 6: Final answer
    x = 21,261.12

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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.