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Finding the Fourth Proportional to 48,695.86, 67,202.03 and 28,276.39

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Solution

The fourth proportional to 48,695.86, 67,202.03 and 28,276.39 is: 39,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,695.86 : 67,202.03 = 28,276.39 : x
  2. Step 2: Convert to fraction form
    48,695.86/67,202.03 = 28,276.39/x
  3. Step 3: Cross multiply
    48,695.86x = 67,202.03 × 28,276.39
  4. Step 4: Simplify right side
    48,695.86x = 1,900,230,809.07
  5. Step 5: Solve for x
    x = 1,900,230,809.07/48,695.86
  6. Step 6: Final answer
    x = 39,022.43

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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.