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Finding the Fourth Proportional to 10,562.55, 14,550.95 and 8,883.99

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Solution

The fourth proportional to 10,562.55, 14,550.95 and 8,883.99 is: 12,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.55 : 14,550.95 = 8,883.99 : x
  2. Step 2: Convert to fraction form
    10,562.55/14,550.95 = 8,883.99/x
  3. Step 3: Cross multiply
    10,562.55x = 14,550.95 × 8,883.99
  4. Step 4: Simplify right side
    10,562.55x = 129,270,449.87
  5. Step 5: Solve for x
    x = 129,270,449.87/10,562.55
  6. Step 6: Final answer
    x = 12,238.56

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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.