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Finding the Fourth Proportional to 60,648.72, 90,942.48 and 35,356.32

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Solution

The fourth proportional to 60,648.72, 90,942.48 and 35,356.32 is: 53,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,648.72 : 90,942.48 = 35,356.32 : x
  2. Step 2: Convert to fraction form
    60,648.72/90,942.48 = 35,356.32/x
  3. Step 3: Cross multiply
    60,648.72x = 90,942.48 × 35,356.32
  4. Step 4: Simplify right side
    60,648.72x = 3,215,391,424.47
  5. Step 5: Solve for x
    x = 3,215,391,424.47/60,648.72
  6. Step 6: Final answer
    x = 53,016.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.