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Finding the Fourth Proportional to 61,962.30, 85,508.28 and 36,469.62

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Solution

The fourth proportional to 61,962.30, 85,508.28 and 36,469.62 is: 50,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,962.30 : 85,508.28 = 36,469.62 : x
  2. Step 2: Convert to fraction form
    61,962.30/85,508.28 = 36,469.62/x
  3. Step 3: Cross multiply
    61,962.30x = 85,508.28 × 36,469.62
  4. Step 4: Simplify right side
    61,962.30x = 3,118,454,478.45
  5. Step 5: Solve for x
    x = 3,118,454,478.45/61,962.30
  6. Step 6: Final answer
    x = 50,328.26

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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.