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Finding the Fourth Proportional to 7,486.88, 10,314 and 5,244.53

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Solution

The fourth proportional to 7,486.88, 10,314 and 5,244.53 is: 7,224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.88 : 10,314 = 5,244.53 : x
  2. Step 2: Convert to fraction form
    7,486.88/10,314 = 5,244.53/x
  3. Step 3: Cross multiply
    7,486.88x = 10,314 × 5,244.53
  4. Step 4: Simplify right side
    7,486.88x = 54,092,030.85
  5. Step 5: Solve for x
    x = 54,092,030.85/7,486.88
  6. Step 6: Final answer
    x = 7,224.91

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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.