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Finding the Fourth Proportional to 14,894.56, 20,557.02 and 8,610.76

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Solution

The fourth proportional to 14,894.56, 20,557.02 and 8,610.76 is: 11,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894.56 : 20,557.02 = 8,610.76 : x
  2. Step 2: Convert to fraction form
    14,894.56/20,557.02 = 8,610.76/x
  3. Step 3: Cross multiply
    14,894.56x = 20,557.02 × 8,610.76
  4. Step 4: Simplify right side
    14,894.56x = 177,011,565.54
  5. Step 5: Solve for x
    x = 177,011,565.54/14,894.56
  6. Step 6: Final answer
    x = 11,884.31

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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.