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Finding the Fourth Proportional to 25,696.99, 38,548.57 and 9,053.58

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Solution

The fourth proportional to 25,696.99, 38,548.57 and 9,053.58 is: 13,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.99 : 38,548.57 = 9,053.58 : x
  2. Step 2: Convert to fraction form
    25,696.99/38,548.57 = 9,053.58/x
  3. Step 3: Cross multiply
    25,696.99x = 38,548.57 × 9,053.58
  4. Step 4: Simplify right side
    25,696.99x = 349,002,562.38
  5. Step 5: Solve for x
    x = 349,002,562.38/25,696.99
  6. Step 6: Final answer
    x = 13,581.46

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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.