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Finding the Fourth Proportional to 60,632.68, 90,918.52 and 35,340.32

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Solution

The fourth proportional to 60,632.68, 90,918.52 and 35,340.32 is: 52,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,632.68 : 90,918.52 = 35,340.32 : x
  2. Step 2: Convert to fraction form
    60,632.68/90,918.52 = 35,340.32/x
  3. Step 3: Cross multiply
    60,632.68x = 90,918.52 × 35,340.32
  4. Step 4: Simplify right side
    60,632.68x = 3,213,089,590.73
  5. Step 5: Solve for x
    x = 3,213,089,590.73/60,632.68
  6. Step 6: Final answer
    x = 52,992.70

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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.