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Finding the Fourth Proportional to 10,551.56, 14,561.88 and 5,835.92

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Solution

The fourth proportional to 10,551.56, 14,561.88 and 5,835.92 is: 8,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.56 : 14,561.88 = 5,835.92 : x
  2. Step 2: Convert to fraction form
    10,551.56/14,561.88 = 5,835.92/x
  3. Step 3: Cross multiply
    10,551.56x = 14,561.88 × 5,835.92
  4. Step 4: Simplify right side
    10,551.56x = 84,981,966.73
  5. Step 5: Solve for x
    x = 84,981,966.73/10,551.56
  6. Step 6: Final answer
    x = 8,053.97

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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.