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Finding the Fourth Proportional to 48,258.98, 72,398.14 and 16,670.19

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Solution

The fourth proportional to 48,258.98, 72,398.14 and 16,670.19 is: 25,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,258.98 : 72,398.14 = 16,670.19 : x
  2. Step 2: Convert to fraction form
    48,258.98/72,398.14 = 16,670.19/x
  3. Step 3: Cross multiply
    48,258.98x = 72,398.14 × 16,670.19
  4. Step 4: Simplify right side
    48,258.98x = 1,206,890,749.45
  5. Step 5: Solve for x
    x = 1,206,890,749.45/48,258.98
  6. Step 6: Final answer
    x = 25,008.63

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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.