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Finding the Fourth Proportional to 8,901.02, 12,282.08 and 4,922.30

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Solution

The fourth proportional to 8,901.02, 12,282.08 and 4,922.30 is: 6,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.02 : 12,282.08 = 4,922.30 : x
  2. Step 2: Convert to fraction form
    8,901.02/12,282.08 = 4,922.30/x
  3. Step 3: Cross multiply
    8,901.02x = 12,282.08 × 4,922.30
  4. Step 4: Simplify right side
    8,901.02x = 60,456,082.38
  5. Step 5: Solve for x
    x = 60,456,082.38/8,901.02
  6. Step 6: Final answer
    x = 6,792.04

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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.