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Finding the Fourth Proportional to 64,563.87, 96,851.40 and 17,816.76

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Solution

The fourth proportional to 64,563.87, 96,851.40 and 17,816.76 is: 26,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,563.87 : 96,851.40 = 17,816.76 : x
  2. Step 2: Convert to fraction form
    64,563.87/96,851.40 = 17,816.76/x
  3. Step 3: Cross multiply
    64,563.87x = 96,851.40 × 17,816.76
  4. Step 4: Simplify right side
    64,563.87x = 1,725,578,149.46
  5. Step 5: Solve for x
    x = 1,725,578,149.46/64,563.87
  6. Step 6: Final answer
    x = 26,726.68

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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.