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Finding the Fourth Proportional to 7,491.98, 10,339.01 and 4,134.92

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Solution

The fourth proportional to 7,491.98, 10,339.01 and 4,134.92 is: 5,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.98 : 10,339.01 = 4,134.92 : x
  2. Step 2: Convert to fraction form
    7,491.98/10,339.01 = 4,134.92/x
  3. Step 3: Cross multiply
    7,491.98x = 10,339.01 × 4,134.92
  4. Step 4: Simplify right side
    7,491.98x = 42,750,979.23
  5. Step 5: Solve for x
    x = 42,750,979.23/7,491.98
  6. Step 6: Final answer
    x = 5,706.23

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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.