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Finding the Fourth Proportional to 7,001.76, 10,501.17 and 3,103.68

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Solution

The fourth proportional to 7,001.76, 10,501.17 and 3,103.68 is: 4,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.76 : 10,501.17 = 3,103.68 : x
  2. Step 2: Convert to fraction form
    7,001.76/10,501.17 = 3,103.68/x
  3. Step 3: Cross multiply
    7,001.76x = 10,501.17 × 3,103.68
  4. Step 4: Simplify right side
    7,001.76x = 32,592,271.31
  5. Step 5: Solve for x
    x = 32,592,271.31/7,001.76
  6. Step 6: Final answer
    x = 4,654.87

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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.