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Finding the Fourth Proportional to 64,405.50, 88,862.77 and 37,174.92

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Solution

The fourth proportional to 64,405.50, 88,862.77 and 37,174.92 is: 51,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,405.50 : 88,862.77 = 37,174.92 : x
  2. Step 2: Convert to fraction form
    64,405.50/88,862.77 = 37,174.92/x
  3. Step 3: Cross multiply
    64,405.50x = 88,862.77 × 37,174.92
  4. Step 4: Simplify right side
    64,405.50x = 3,303,466,365.73
  5. Step 5: Solve for x
    x = 3,303,466,365.73/64,405.50
  6. Step 6: Final answer
    x = 51,291.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.