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Finding the Fourth Proportional to 7,374.25, 10,176.47 and 4,062.25

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Solution

The fourth proportional to 7,374.25, 10,176.47 and 4,062.25 is: 5,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.25 : 10,176.47 = 4,062.25 : x
  2. Step 2: Convert to fraction form
    7,374.25/10,176.47 = 4,062.25/x
  3. Step 3: Cross multiply
    7,374.25x = 10,176.47 × 4,062.25
  4. Step 4: Simplify right side
    7,374.25x = 41,339,344.95
  5. Step 5: Solve for x
    x = 41,339,344.95/7,374.25
  6. Step 6: Final answer
    x = 5,605.91

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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.