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Finding the Fourth Proportional to 14,348.88, 19,800.36 and 8,060.40

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Solution

The fourth proportional to 14,348.88, 19,800.36 and 8,060.40 is: 11,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.88 : 19,800.36 = 8,060.40 : x
  2. Step 2: Convert to fraction form
    14,348.88/19,800.36 = 8,060.40/x
  3. Step 3: Cross multiply
    14,348.88x = 19,800.36 × 8,060.40
  4. Step 4: Simplify right side
    14,348.88x = 159,598,821.74
  5. Step 5: Solve for x
    x = 159,598,821.74/14,348.88
  6. Step 6: Final answer
    x = 11,122.74

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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.