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Finding the Fourth Proportional to 25,845.62, 38,768.42 and 7,377.62

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Solution

The fourth proportional to 25,845.62, 38,768.42 and 7,377.62 is: 11,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.62 : 38,768.42 = 7,377.62 : x
  2. Step 2: Convert to fraction form
    25,845.62/38,768.42 = 7,377.62/x
  3. Step 3: Cross multiply
    25,845.62x = 38,768.42 × 7,377.62
  4. Step 4: Simplify right side
    25,845.62x = 286,018,495.36
  5. Step 5: Solve for x
    x = 286,018,495.36/25,845.62
  6. Step 6: Final answer
    x = 11,066.42

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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.