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Finding the Fourth Proportional to 25,597.44, 38,393.28 and 7,130.88

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Solution

The fourth proportional to 25,597.44, 38,393.28 and 7,130.88 is: 10,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,597.44 : 38,393.28 = 7,130.88 : x
  2. Step 2: Convert to fraction form
    25,597.44/38,393.28 = 7,130.88/x
  3. Step 3: Cross multiply
    25,597.44x = 38,393.28 × 7,130.88
  4. Step 4: Simplify right side
    25,597.44x = 273,777,872.49
  5. Step 5: Solve for x
    x = 273,777,872.49/25,597.44
  6. Step 6: Final answer
    x = 10,695.52

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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.