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Finding the Fourth Proportional to 7,001.34, 10,491.42 and 4,224.92

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Solution

The fourth proportional to 7,001.34, 10,491.42 and 4,224.92 is: 6,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.34 : 10,491.42 = 4,224.92 : x
  2. Step 2: Convert to fraction form
    7,001.34/10,491.42 = 4,224.92/x
  3. Step 3: Cross multiply
    7,001.34x = 10,491.42 × 4,224.92
  4. Step 4: Simplify right side
    7,001.34x = 44,325,410.19
  5. Step 5: Solve for x
    x = 44,325,410.19/7,001.34
  6. Step 6: Final answer
    x = 6,330.99

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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.