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Finding the Fourth Proportional to 29,338.99, 40,509.98 and 18,023.99

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Solution

The fourth proportional to 29,338.99, 40,509.98 and 18,023.99 is: 24,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,338.99 : 40,509.98 = 18,023.99 : x
  2. Step 2: Convert to fraction form
    29,338.99/40,509.98 = 18,023.99/x
  3. Step 3: Cross multiply
    29,338.99x = 40,509.98 × 18,023.99
  4. Step 4: Simplify right side
    29,338.99x = 730,151,474.42
  5. Step 5: Solve for x
    x = 730,151,474.42/29,338.99
  6. Step 6: Final answer
    x = 24,886.73

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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.