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Finding the Fourth Proportional to 5,278.35, 7,925.73 and 5,044.62

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Solution

The fourth proportional to 5,278.35, 7,925.73 and 5,044.62 is: 7,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.35 : 7,925.73 = 5,044.62 : x
  2. Step 2: Convert to fraction form
    5,278.35/7,925.73 = 5,044.62/x
  3. Step 3: Cross multiply
    5,278.35x = 7,925.73 × 5,044.62
  4. Step 4: Simplify right side
    5,278.35x = 39,982,296.07
  5. Step 5: Solve for x
    x = 39,982,296.07/5,278.35
  6. Step 6: Final answer
    x = 7,574.77

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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.