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Finding the Fourth Proportional to 25,359.99, 38,043.43 and 10,565.44

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Solution

The fourth proportional to 25,359.99, 38,043.43 and 10,565.44 is: 15,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.99 : 38,043.43 = 10,565.44 : x
  2. Step 2: Convert to fraction form
    25,359.99/38,043.43 = 10,565.44/x
  3. Step 3: Cross multiply
    25,359.99x = 38,043.43 × 10,565.44
  4. Step 4: Simplify right side
    25,359.99x = 401,945,529.83
  5. Step 5: Solve for x
    x = 401,945,529.83/25,359.99
  6. Step 6: Final answer
    x = 15,849.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.