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Finding the Fourth Proportional to 62,122.62, 85,729.32 and 33,828.42

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Solution

The fourth proportional to 62,122.62, 85,729.32 and 33,828.42 is: 46,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,122.62 : 85,729.32 = 33,828.42 : x
  2. Step 2: Convert to fraction form
    62,122.62/85,729.32 = 33,828.42/x
  3. Step 3: Cross multiply
    62,122.62x = 85,729.32 × 33,828.42
  4. Step 4: Simplify right side
    62,122.62x = 2,900,087,443.27
  5. Step 5: Solve for x
    x = 2,900,087,443.27/62,122.62
  6. Step 6: Final answer
    x = 46,683.28

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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.