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Finding the Fourth Proportional to 8,871.17, 12,237.99 and 5,849.45

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Solution

The fourth proportional to 8,871.17, 12,237.99 and 5,849.45 is: 8,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.17 : 12,237.99 = 5,849.45 : x
  2. Step 2: Convert to fraction form
    8,871.17/12,237.99 = 5,849.45/x
  3. Step 3: Cross multiply
    8,871.17x = 12,237.99 × 5,849.45
  4. Step 4: Simplify right side
    8,871.17x = 71,585,510.61
  5. Step 5: Solve for x
    x = 71,585,510.61/8,871.17
  6. Step 6: Final answer
    x = 8,069.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.