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Finding the Fourth Proportional to 8,874.95, 13,314 and 3,030.19

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Solution

The fourth proportional to 8,874.95, 13,314 and 3,030.19 is: 4,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.95 : 13,314 = 3,030.19 : x
  2. Step 2: Convert to fraction form
    8,874.95/13,314 = 3,030.19/x
  3. Step 3: Cross multiply
    8,874.95x = 13,314 × 3,030.19
  4. Step 4: Simplify right side
    8,874.95x = 40,343,949.66
  5. Step 5: Solve for x
    x = 40,343,949.66/8,874.95
  6. Step 6: Final answer
    x = 4,545.82

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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.