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Finding the Fourth Proportional to 12,038.88, 16,614.28 and 6,733.40

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Solution

The fourth proportional to 12,038.88, 16,614.28 and 6,733.40 is: 9,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.88 : 16,614.28 = 6,733.40 : x
  2. Step 2: Convert to fraction form
    12,038.88/16,614.28 = 6,733.40/x
  3. Step 3: Cross multiply
    12,038.88x = 16,614.28 × 6,733.40
  4. Step 4: Simplify right side
    12,038.88x = 111,870,592.95
  5. Step 5: Solve for x
    x = 111,870,592.95/12,038.88
  6. Step 6: Final answer
    x = 9,292.44

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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.