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Finding the Fourth Proportional to 5,308, 7,960.98 and 5,044.58

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Solution

The fourth proportional to 5,308, 7,960.98 and 5,044.58 is: 7,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308 : 7,960.98 = 5,044.58 : x
  2. Step 2: Convert to fraction form
    5,308/7,960.98 = 5,044.58/x
  3. Step 3: Cross multiply
    5,308x = 7,960.98 × 5,044.58
  4. Step 4: Simplify right side
    5,308x = 40,159,800.49
  5. Step 5: Solve for x
    x = 40,159,800.49/5,308
  6. Step 6: Final answer
    x = 7,565.90

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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.