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Finding the Fourth Proportional to 8,991.43, 13,494.35 and 4,061.50

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Solution

The fourth proportional to 8,991.43, 13,494.35 and 4,061.50 is: 6,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.43 : 13,494.35 = 4,061.50 : x
  2. Step 2: Convert to fraction form
    8,991.43/13,494.35 = 4,061.50/x
  3. Step 3: Cross multiply
    8,991.43x = 13,494.35 × 4,061.50
  4. Step 4: Simplify right side
    8,991.43x = 54,807,302.53
  5. Step 5: Solve for x
    x = 54,807,302.53/8,991.43
  6. Step 6: Final answer
    x = 6,095.50

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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.