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Finding the Fourth Proportional to 63,954.72, 88,257.90 and 35,662.20

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Solution

The fourth proportional to 63,954.72, 88,257.90 and 35,662.20 is: 49,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,954.72 : 88,257.90 = 35,662.20 : x
  2. Step 2: Convert to fraction form
    63,954.72/88,257.90 = 35,662.20/x
  3. Step 3: Cross multiply
    63,954.72x = 88,257.90 × 35,662.20
  4. Step 4: Simplify right side
    63,954.72x = 3,147,470,881.38
  5. Step 5: Solve for x
    x = 3,147,470,881.38/63,954.72
  6. Step 6: Final answer
    x = 49,214.05

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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.