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Finding the Fourth Proportional to 29,365.98, 40,525.19 and 15,937.23

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Solution

The fourth proportional to 29,365.98, 40,525.19 and 15,937.23 is: 21,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,365.98 : 40,525.19 = 15,937.23 : x
  2. Step 2: Convert to fraction form
    29,365.98/40,525.19 = 15,937.23/x
  3. Step 3: Cross multiply
    29,365.98x = 40,525.19 × 15,937.23
  4. Step 4: Simplify right side
    29,365.98x = 645,859,273.82
  5. Step 5: Solve for x
    x = 645,859,273.82/29,365.98
  6. Step 6: Final answer
    x = 21,993.45

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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.