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Finding the Fourth Proportional to 61,524.40, 84,907.20 and 37,644.40

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Solution

The fourth proportional to 61,524.40, 84,907.20 and 37,644.40 is: 51,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,524.40 : 84,907.20 = 37,644.40 : x
  2. Step 2: Convert to fraction form
    61,524.40/84,907.20 = 37,644.40/x
  3. Step 3: Cross multiply
    61,524.40x = 84,907.20 × 37,644.40
  4. Step 4: Simplify right side
    61,524.40x = 3,196,280,599.68
  5. Step 5: Solve for x
    x = 3,196,280,599.68/61,524.40
  6. Step 6: Final answer
    x = 51,951.43

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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.