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Finding the Fourth Proportional to 48,415.15, 72,488.03 and 24,671.51

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Solution

The fourth proportional to 48,415.15, 72,488.03 and 24,671.51 is: 36,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,415.15 : 72,488.03 = 24,671.51 : x
  2. Step 2: Convert to fraction form
    48,415.15/72,488.03 = 24,671.51/x
  3. Step 3: Cross multiply
    48,415.15x = 72,488.03 × 24,671.51
  4. Step 4: Simplify right side
    48,415.15x = 1,788,389,157.03
  5. Step 5: Solve for x
    x = 1,788,389,157.03/48,415.15
  6. Step 6: Final answer
    x = 36,938.63

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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.