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Finding the Fourth Proportional to 25,795.36, 38,693.94 and 8,262.91

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Solution

The fourth proportional to 25,795.36, 38,693.94 and 8,262.91 is: 12,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.36 : 38,693.94 = 8,262.91 : x
  2. Step 2: Convert to fraction form
    25,795.36/38,693.94 = 8,262.91/x
  3. Step 3: Cross multiply
    25,795.36x = 38,693.94 × 8,262.91
  4. Step 4: Simplify right side
    25,795.36x = 319,724,543.77
  5. Step 5: Solve for x
    x = 319,724,543.77/25,795.36
  6. Step 6: Final answer
    x = 12,394.65

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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.