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Finding the Fourth Proportional to 64,068.62, 88,412.41 and 35,387.84

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Solution

The fourth proportional to 64,068.62, 88,412.41 and 35,387.84 is: 48,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,068.62 : 88,412.41 = 35,387.84 : x
  2. Step 2: Convert to fraction form
    64,068.62/88,412.41 = 35,387.84/x
  3. Step 3: Cross multiply
    64,068.62x = 88,412.41 × 35,387.84
  4. Step 4: Simplify right side
    64,068.62x = 3,128,723,987.04
  5. Step 5: Solve for x
    x = 3,128,723,987.04/64,068.62
  6. Step 6: Final answer
    x = 48,833.95

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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.