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Finding the Fourth Proportional to 29,413.68, 40,591.02 and 15,984.99

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Solution

The fourth proportional to 29,413.68, 40,591.02 and 15,984.99 is: 22,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,413.68 : 40,591.02 = 15,984.99 : x
  2. Step 2: Convert to fraction form
    29,413.68/40,591.02 = 15,984.99/x
  3. Step 3: Cross multiply
    29,413.68x = 40,591.02 × 15,984.99
  4. Step 4: Simplify right side
    29,413.68x = 648,847,048.79
  5. Step 5: Solve for x
    x = 648,847,048.79/29,413.68
  6. Step 6: Final answer
    x = 22,059.36

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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.