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Finding the Fourth Proportional to 7,150.48, 9,868.53 and 4,497.83

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Solution

The fourth proportional to 7,150.48, 9,868.53 and 4,497.83 is: 6,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.48 : 9,868.53 = 4,497.83 : x
  2. Step 2: Convert to fraction form
    7,150.48/9,868.53 = 4,497.83/x
  3. Step 3: Cross multiply
    7,150.48x = 9,868.53 × 4,497.83
  4. Step 4: Simplify right side
    7,150.48x = 44,386,974.82
  5. Step 5: Solve for x
    x = 44,386,974.82/7,150.48
  6. Step 6: Final answer
    x = 6,207.55

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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.