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Finding the Fourth Proportional to 44,117.60, 66,178.92 and 12,525.18

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Solution

The fourth proportional to 44,117.60, 66,178.92 and 12,525.18 is: 18,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,117.60 : 66,178.92 = 12,525.18 : x
  2. Step 2: Convert to fraction form
    44,117.60/66,178.92 = 12,525.18/x
  3. Step 3: Cross multiply
    44,117.60x = 66,178.92 × 12,525.18
  4. Step 4: Simplify right side
    44,117.60x = 828,902,885.21
  5. Step 5: Solve for x
    x = 828,902,885.21/44,117.60
  6. Step 6: Final answer
    x = 18,788.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.