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Finding the Fourth Proportional to 4,831.47, 7,253.69 and 2,860.74

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Solution

The fourth proportional to 4,831.47, 7,253.69 and 2,860.74 is: 4,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.47 : 7,253.69 = 2,860.74 : x
  2. Step 2: Convert to fraction form
    4,831.47/7,253.69 = 2,860.74/x
  3. Step 3: Cross multiply
    4,831.47x = 7,253.69 × 2,860.74
  4. Step 4: Simplify right side
    4,831.47x = 20,750,906.83
  5. Step 5: Solve for x
    x = 20,750,906.83/4,831.47
  6. Step 6: Final answer
    x = 4,294.95

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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.