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Finding the Fourth Proportional to 8,901.08, 12,284.12 and 4,922.10

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Solution

The fourth proportional to 8,901.08, 12,284.12 and 4,922.10 is: 6,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.08 : 12,284.12 = 4,922.10 : x
  2. Step 2: Convert to fraction form
    8,901.08/12,284.12 = 4,922.10/x
  3. Step 3: Cross multiply
    8,901.08x = 12,284.12 × 4,922.10
  4. Step 4: Simplify right side
    8,901.08x = 60,463,667.05
  5. Step 5: Solve for x
    x = 60,463,667.05/8,901.08
  6. Step 6: Final answer
    x = 6,792.85

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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.