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Finding the Fourth Proportional to 51,055.88, 70,446.69 and 29,831.04

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Solution

The fourth proportional to 51,055.88, 70,446.69 and 29,831.04 is: 41,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,055.88 : 70,446.69 = 29,831.04 : x
  2. Step 2: Convert to fraction form
    51,055.88/70,446.69 = 29,831.04/x
  3. Step 3: Cross multiply
    51,055.88x = 70,446.69 × 29,831.04
  4. Step 4: Simplify right side
    51,055.88x = 2,101,498,027.26
  5. Step 5: Solve for x
    x = 2,101,498,027.26/51,055.88
  6. Step 6: Final answer
    x = 41,160.75

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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.