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Finding the Fourth Proportional to 9,658.54, 14,490.91 and 4,395.43

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Solution

The fourth proportional to 9,658.54, 14,490.91 and 4,395.43 is: 6,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,658.54 : 14,490.91 = 4,395.43 : x
  2. Step 2: Convert to fraction form
    9,658.54/14,490.91 = 4,395.43/x
  3. Step 3: Cross multiply
    9,658.54x = 14,490.91 × 4,395.43
  4. Step 4: Simplify right side
    9,658.54x = 63,693,708.09
  5. Step 5: Solve for x
    x = 63,693,708.09/9,658.54
  6. Step 6: Final answer
    x = 6,594.55

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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.