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Finding the Fourth Proportional to 14,033.42, 19,367.98 and 8,929.40

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Solution

The fourth proportional to 14,033.42, 19,367.98 and 8,929.40 is: 12,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.42 : 19,367.98 = 8,929.40 : x
  2. Step 2: Convert to fraction form
    14,033.42/19,367.98 = 8,929.40/x
  3. Step 3: Cross multiply
    14,033.42x = 19,367.98 × 8,929.40
  4. Step 4: Simplify right side
    14,033.42x = 172,944,440.61
  5. Step 5: Solve for x
    x = 172,944,440.61/14,033.42
  6. Step 6: Final answer
    x = 12,323.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.