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Finding the Fourth Proportional to 64,073.58, 88,413.30 and 35,780.46

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Solution

The fourth proportional to 64,073.58, 88,413.30 and 35,780.46 is: 49,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,073.58 : 88,413.30 = 35,780.46 : x
  2. Step 2: Convert to fraction form
    64,073.58/88,413.30 = 35,780.46/x
  3. Step 3: Cross multiply
    64,073.58x = 88,413.30 × 35,780.46
  4. Step 4: Simplify right side
    64,073.58x = 3,163,468,544.12
  5. Step 5: Solve for x
    x = 3,163,468,544.12/64,073.58
  6. Step 6: Final answer
    x = 49,372.43

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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.