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Finding the Fourth Proportional to 62,094.79, 85,644.60 and 39,414.08

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Solution

The fourth proportional to 62,094.79, 85,644.60 and 39,414.08 is: 54,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,094.79 : 85,644.60 = 39,414.08 : x
  2. Step 2: Convert to fraction form
    62,094.79/85,644.60 = 39,414.08/x
  3. Step 3: Cross multiply
    62,094.79x = 85,644.60 × 39,414.08
  4. Step 4: Simplify right side
    62,094.79x = 3,375,603,115.97
  5. Step 5: Solve for x
    x = 3,375,603,115.97/62,094.79
  6. Step 6: Final answer
    x = 54,362.10

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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.