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Finding the Fourth Proportional to 48,894.96, 67,215.63 and 42,064.05

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Solution

The fourth proportional to 48,894.96, 67,215.63 and 42,064.05 is: 57,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,894.96 : 67,215.63 = 42,064.05 : x
  2. Step 2: Convert to fraction form
    48,894.96/67,215.63 = 42,064.05/x
  3. Step 3: Cross multiply
    48,894.96x = 67,215.63 × 42,064.05
  4. Step 4: Simplify right side
    48,894.96x = 2,827,361,621.10
  5. Step 5: Solve for x
    x = 2,827,361,621.10/48,894.96
  6. Step 6: Final answer
    x = 57,825.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.