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Finding the Fourth Proportional to 8,881.85, 13,323 and 3,038.42

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Solution

The fourth proportional to 8,881.85, 13,323 and 3,038.42 is: 4,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.85 : 13,323 = 3,038.42 : x
  2. Step 2: Convert to fraction form
    8,881.85/13,323 = 3,038.42/x
  3. Step 3: Cross multiply
    8,881.85x = 13,323 × 3,038.42
  4. Step 4: Simplify right side
    8,881.85x = 40,480,869.66
  5. Step 5: Solve for x
    x = 40,480,869.66/8,881.85
  6. Step 6: Final answer
    x = 4,557.71

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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.