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Finding the Fourth Proportional to 8,737.22, 12,043.75 and 7,318.41

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Solution

The fourth proportional to 8,737.22, 12,043.75 and 7,318.41 is: 10,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.22 : 12,043.75 = 7,318.41 : x
  2. Step 2: Convert to fraction form
    8,737.22/12,043.75 = 7,318.41/x
  3. Step 3: Cross multiply
    8,737.22x = 12,043.75 × 7,318.41
  4. Step 4: Simplify right side
    8,737.22x = 88,141,100.44
  5. Step 5: Solve for x
    x = 88,141,100.44/8,737.22
  6. Step 6: Final answer
    x = 10,088.00

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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.