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Finding the Fourth Proportional to 40,647.03, 60,974.19 and 11,065.02

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Solution

The fourth proportional to 40,647.03, 60,974.19 and 11,065.02 is: 16,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,647.03 : 60,974.19 = 11,065.02 : x
  2. Step 2: Convert to fraction form
    40,647.03/60,974.19 = 11,065.02/x
  3. Step 3: Cross multiply
    40,647.03x = 60,974.19 × 11,065.02
  4. Step 4: Simplify right side
    40,647.03x = 674,680,631.83
  5. Step 5: Solve for x
    x = 674,680,631.83/40,647.03
  6. Step 6: Final answer
    x = 16,598.52

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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.