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Finding the Fourth Proportional to 8,834.29, 12,191.10 and 4,800.99

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Solution

The fourth proportional to 8,834.29, 12,191.10 and 4,800.99 is: 6,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.29 : 12,191.10 = 4,800.99 : x
  2. Step 2: Convert to fraction form
    8,834.29/12,191.10 = 4,800.99/x
  3. Step 3: Cross multiply
    8,834.29x = 12,191.10 × 4,800.99
  4. Step 4: Simplify right side
    8,834.29x = 58,529,349.19
  5. Step 5: Solve for x
    x = 58,529,349.19/8,834.29
  6. Step 6: Final answer
    x = 6,625.25

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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.