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Finding the Fourth Proportional to 9,553.78, 14,335.54 and 4,358.98

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Solution

The fourth proportional to 9,553.78, 14,335.54 and 4,358.98 is: 6,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.78 : 14,335.54 = 4,358.98 : x
  2. Step 2: Convert to fraction form
    9,553.78/14,335.54 = 4,358.98/x
  3. Step 3: Cross multiply
    9,553.78x = 14,335.54 × 4,358.98
  4. Step 4: Simplify right side
    9,553.78x = 62,488,332.15
  5. Step 5: Solve for x
    x = 62,488,332.15/9,553.78
  6. Step 6: Final answer
    x = 6,540.69

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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.