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Finding the Fourth Proportional to 7,510.98, 10,352.73 and 5,644.74

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Solution

The fourth proportional to 7,510.98, 10,352.73 and 5,644.74 is: 7,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.98 : 10,352.73 = 5,644.74 : x
  2. Step 2: Convert to fraction form
    7,510.98/10,352.73 = 5,644.74/x
  3. Step 3: Cross multiply
    7,510.98x = 10,352.73 × 5,644.74
  4. Step 4: Simplify right side
    7,510.98x = 58,438,469.14
  5. Step 5: Solve for x
    x = 58,438,469.14/7,510.98
  6. Step 6: Final answer
    x = 7,780.41

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Half scale
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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.