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Finding the Fourth Proportional to 10,607.10, 15,910.65 and 4,775.10

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Solution

The fourth proportional to 10,607.10, 15,910.65 and 4,775.10 is: 7,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.10 : 15,910.65 = 4,775.10 : x
  2. Step 2: Convert to fraction form
    10,607.10/15,910.65 = 4,775.10/x
  3. Step 3: Cross multiply
    10,607.10x = 15,910.65 × 4,775.10
  4. Step 4: Simplify right side
    10,607.10x = 75,974,944.82
  5. Step 5: Solve for x
    x = 75,974,944.82/10,607.10
  6. Step 6: Final answer
    x = 7,162.65

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Similar ratio
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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.