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Finding the Fourth Proportional to 61,536.64, 84,920.60 and 33,242.32

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Solution

The fourth proportional to 61,536.64, 84,920.60 and 33,242.32 is: 45,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,536.64 : 84,920.60 = 33,242.32 : x
  2. Step 2: Convert to fraction form
    61,536.64/84,920.60 = 33,242.32/x
  3. Step 3: Cross multiply
    61,536.64x = 84,920.60 × 33,242.32
  4. Step 4: Simplify right side
    61,536.64x = 2,822,957,759.79
  5. Step 5: Solve for x
    x = 2,822,957,759.79/61,536.64
  6. Step 6: Final answer
    x = 45,874.42

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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.