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Finding the Fourth Proportional to 8,852.08, 12,207.90 and 7,364.92

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Solution

The fourth proportional to 8,852.08, 12,207.90 and 7,364.92 is: 10,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.08 : 12,207.90 = 7,364.92 : x
  2. Step 2: Convert to fraction form
    8,852.08/12,207.90 = 7,364.92/x
  3. Step 3: Cross multiply
    8,852.08x = 12,207.90 × 7,364.92
  4. Step 4: Simplify right side
    8,852.08x = 89,910,206.87
  5. Step 5: Solve for x
    x = 89,910,206.87/8,852.08
  6. Step 6: Final answer
    x = 10,156.96

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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.