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Finding the Fourth Proportional to 64,220.66, 88,623.18 and 35,540.32

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Solution

The fourth proportional to 64,220.66, 88,623.18 and 35,540.32 is: 49,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220.66 : 88,623.18 = 35,540.32 : x
  2. Step 2: Convert to fraction form
    64,220.66/88,623.18 = 35,540.32/x
  3. Step 3: Cross multiply
    64,220.66x = 88,623.18 × 35,540.32
  4. Step 4: Simplify right side
    64,220.66x = 3,149,696,176.62
  5. Step 5: Solve for x
    x = 3,149,696,176.62/64,220.66
  6. Step 6: Final answer
    x = 49,044.91

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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.