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Finding the Fourth Proportional to 52,881.88, 79,333.36 and 17,831.56

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Solution

The fourth proportional to 52,881.88, 79,333.36 and 17,831.56 is: 26,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.88 : 79,333.36 = 17,831.56 : x
  2. Step 2: Convert to fraction form
    52,881.88/79,333.36 = 17,831.56/x
  3. Step 3: Cross multiply
    52,881.88x = 79,333.36 × 17,831.56
  4. Step 4: Simplify right side
    52,881.88x = 1,414,637,568.84
  5. Step 5: Solve for x
    x = 1,414,637,568.84/52,881.88
  6. Step 6: Final answer
    x = 26,750.89

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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.