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Finding the Fourth Proportional to 9,560.00, 13,160.05 and 8,293.61

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Solution

The fourth proportional to 9,560.00, 13,160.05 and 8,293.61 is: 11,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,560.00 : 13,160.05 = 8,293.61 : x
  2. Step 2: Convert to fraction form
    9,560.00/13,160.05 = 8,293.61/x
  3. Step 3: Cross multiply
    9,560.00x = 13,160.05 × 8,293.61
  4. Step 4: Simplify right side
    9,560.00x = 109,144,235.75
  5. Step 5: Solve for x
    x = 109,144,235.75/9,560.00
  6. Step 6: Final answer
    x = 11,416.76

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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.