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Finding the Fourth Proportional to 46,891.76, 70,337.76 and 11,831.41

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Solution

The fourth proportional to 46,891.76, 70,337.76 and 11,831.41 is: 17,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,891.76 : 70,337.76 = 11,831.41 : x
  2. Step 2: Convert to fraction form
    46,891.76/70,337.76 = 11,831.41/x
  3. Step 3: Cross multiply
    46,891.76x = 70,337.76 × 11,831.41
  4. Step 4: Simplify right side
    46,891.76x = 832,194,920.60
  5. Step 5: Solve for x
    x = 832,194,920.60/46,891.76
  6. Step 6: Final answer
    x = 17,747.15

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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.