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Finding the Fourth Proportional to 47,826.80, 71,707.80 and 25,341.20

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Solution

The fourth proportional to 47,826.80, 71,707.80 and 25,341.20 is: 37,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,826.80 : 71,707.80 = 25,341.20 : x
  2. Step 2: Convert to fraction form
    47,826.80/71,707.80 = 25,341.20/x
  3. Step 3: Cross multiply
    47,826.80x = 71,707.80 × 25,341.20
  4. Step 4: Simplify right side
    47,826.80x = 1,817,161,701.36
  5. Step 5: Solve for x
    x = 1,817,161,701.36/47,826.80
  6. Step 6: Final answer
    x = 37,994.63

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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.