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Finding the Fourth Proportional to 62,106.80, 85,704.81 and 33,812.42

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Solution

The fourth proportional to 62,106.80, 85,704.81 and 33,812.42 is: 46,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,106.80 : 85,704.81 = 33,812.42 : x
  2. Step 2: Convert to fraction form
    62,106.80/85,704.81 = 33,812.42/x
  3. Step 3: Cross multiply
    62,106.80x = 85,704.81 × 33,812.42
  4. Step 4: Simplify right side
    62,106.80x = 2,897,887,031.74
  5. Step 5: Solve for x
    x = 2,897,887,031.74/62,106.80
  6. Step 6: Final answer
    x = 46,659.74

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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.