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Finding the Fourth Proportional to 46,891.25, 70,350.05 and 18,831.01

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Solution

The fourth proportional to 46,891.25, 70,350.05 and 18,831.01 is: 28,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,891.25 : 70,350.05 = 18,831.01 : x
  2. Step 2: Convert to fraction form
    46,891.25/70,350.05 = 18,831.01/x
  3. Step 3: Cross multiply
    46,891.25x = 70,350.05 × 18,831.01
  4. Step 4: Simplify right side
    46,891.25x = 1,324,762,423.59
  5. Step 5: Solve for x
    x = 1,324,762,423.59/46,891.25
  6. Step 6: Final answer
    x = 28,251.80

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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.