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Finding the Fourth Proportional to 47,273.36, 70,845.24 and 45,854.24

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Solution

The fourth proportional to 47,273.36, 70,845.24 and 45,854.24 is: 68,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,273.36 : 70,845.24 = 45,854.24 : x
  2. Step 2: Convert to fraction form
    47,273.36/70,845.24 = 45,854.24/x
  3. Step 3: Cross multiply
    47,273.36x = 70,845.24 × 45,854.24
  4. Step 4: Simplify right side
    47,273.36x = 3,248,554,637.82
  5. Step 5: Solve for x
    x = 3,248,554,637.82/47,273.36
  6. Step 6: Final answer
    x = 68,718.51

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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.