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Finding the Fourth Proportional to 4,860.41, 7,290.61 and 4,831.25

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Solution

The fourth proportional to 4,860.41, 7,290.61 and 4,831.25 is: 7,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.41 : 7,290.61 = 4,831.25 : x
  2. Step 2: Convert to fraction form
    4,860.41/7,290.61 = 4,831.25/x
  3. Step 3: Cross multiply
    4,860.41x = 7,290.61 × 4,831.25
  4. Step 4: Simplify right side
    4,860.41x = 35,222,711.03
  5. Step 5: Solve for x
    x = 35,222,711.03/4,860.41
  6. Step 6: Final answer
    x = 7,246.87

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Similar ratio
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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.