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Finding the Fourth Proportional to 29,365.95, 40,525.02 and 15,937.41

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Solution

The fourth proportional to 29,365.95, 40,525.02 and 15,937.41 is: 21,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,365.95 : 40,525.02 = 15,937.41 : x
  2. Step 2: Convert to fraction form
    29,365.95/40,525.02 = 15,937.41/x
  3. Step 3: Cross multiply
    29,365.95x = 40,525.02 × 15,937.41
  4. Step 4: Simplify right side
    29,365.95x = 645,863,859.00
  5. Step 5: Solve for x
    x = 645,863,859.00/29,365.95
  6. Step 6: Final answer
    x = 21,993.63

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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.