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Finding the Fourth Proportional to 8,877.94, 12,251.93 and 5,101.04

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Solution

The fourth proportional to 8,877.94, 12,251.93 and 5,101.04 is: 7,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.94 : 12,251.93 = 5,101.04 : x
  2. Step 2: Convert to fraction form
    8,877.94/12,251.93 = 5,101.04/x
  3. Step 3: Cross multiply
    8,877.94x = 12,251.93 × 5,101.04
  4. Step 4: Simplify right side
    8,877.94x = 62,497,559.50
  5. Step 5: Solve for x
    x = 62,497,559.50/8,877.94
  6. Step 6: Final answer
    x = 7,039.65

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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.