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Finding the Fourth Proportional to 25,900.36, 38,848.92 and 8,368.72

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Solution

The fourth proportional to 25,900.36, 38,848.92 and 8,368.72 is: 12,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.36 : 38,848.92 = 8,368.72 : x
  2. Step 2: Convert to fraction form
    25,900.36/38,848.92 = 8,368.72/x
  3. Step 3: Cross multiply
    25,900.36x = 38,848.92 × 8,368.72
  4. Step 4: Simplify right side
    25,900.36x = 325,115,733.78
  5. Step 5: Solve for x
    x = 325,115,733.78/25,900.36
  6. Step 6: Final answer
    x = 12,552.56

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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.