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Finding the Fourth Proportional to 14,223.61, 21,339.98 and 5,907.61

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Solution

The fourth proportional to 14,223.61, 21,339.98 and 5,907.61 is: 8,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.61 : 21,339.98 = 5,907.61 : x
  2. Step 2: Convert to fraction form
    14,223.61/21,339.98 = 5,907.61/x
  3. Step 3: Cross multiply
    14,223.61x = 21,339.98 × 5,907.61
  4. Step 4: Simplify right side
    14,223.61x = 126,068,249.71
  5. Step 5: Solve for x
    x = 126,068,249.71/14,223.61
  6. Step 6: Final answer
    x = 8,863.31

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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.