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Finding the Fourth Proportional to 7,491.88, 11,214.10 and 4,708.92

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Solution

The fourth proportional to 7,491.88, 11,214.10 and 4,708.92 is: 7,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.88 : 11,214.10 = 4,708.92 : x
  2. Step 2: Convert to fraction form
    7,491.88/11,214.10 = 4,708.92/x
  3. Step 3: Cross multiply
    7,491.88x = 11,214.10 × 4,708.92
  4. Step 4: Simplify right side
    7,491.88x = 52,806,299.77
  5. Step 5: Solve for x
    x = 52,806,299.77/7,491.88
  6. Step 6: Final answer
    x = 7,048.47

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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.