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Finding the Fourth Proportional to 15,057.45, 22,606.86 and 7,666.87

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Solution

The fourth proportional to 15,057.45, 22,606.86 and 7,666.87 is: 11,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.45 : 22,606.86 = 7,666.87 : x
  2. Step 2: Convert to fraction form
    15,057.45/22,606.86 = 7,666.87/x
  3. Step 3: Cross multiply
    15,057.45x = 22,606.86 × 7,666.87
  4. Step 4: Simplify right side
    15,057.45x = 173,323,856.73
  5. Step 5: Solve for x
    x = 173,323,856.73/15,057.45
  6. Step 6: Final answer
    x = 11,510.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.