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Finding the Fourth Proportional to 8,601.84, 12,903.48 and 3,672.36

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Solution

The fourth proportional to 8,601.84, 12,903.48 and 3,672.36 is: 5,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.84 : 12,903.48 = 3,672.36 : x
  2. Step 2: Convert to fraction form
    8,601.84/12,903.48 = 3,672.36/x
  3. Step 3: Cross multiply
    8,601.84x = 12,903.48 × 3,672.36
  4. Step 4: Simplify right side
    8,601.84x = 47,386,223.81
  5. Step 5: Solve for x
    x = 47,386,223.81/8,601.84
  6. Step 6: Final answer
    x = 5,508.85

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1.5x scale

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.