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Finding the Fourth Proportional to 25,650.42, 38,458.98 and 10,653.42

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Solution

The fourth proportional to 25,650.42, 38,458.98 and 10,653.42 is: 15,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.42 : 38,458.98 = 10,653.42 : x
  2. Step 2: Convert to fraction form
    25,650.42/38,458.98 = 10,653.42/x
  3. Step 3: Cross multiply
    25,650.42x = 38,458.98 × 10,653.42
  4. Step 4: Simplify right side
    25,650.42x = 409,719,770.98
  5. Step 5: Solve for x
    x = 409,719,770.98/25,650.42
  6. Step 6: Final answer
    x = 15,973.22

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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.