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Finding the Fourth Proportional to 10,404.56, 15,606.84 and 4,562.48

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Solution

The fourth proportional to 10,404.56, 15,606.84 and 4,562.48 is: 6,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.56 : 15,606.84 = 4,562.48 : x
  2. Step 2: Convert to fraction form
    10,404.56/15,606.84 = 4,562.48/x
  3. Step 3: Cross multiply
    10,404.56x = 15,606.84 × 4,562.48
  4. Step 4: Simplify right side
    10,404.56x = 71,205,895.36
  5. Step 5: Solve for x
    x = 71,205,895.36/10,404.56
  6. Step 6: Final answer
    x = 6,843.72

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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.