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Finding the Fourth Proportional to 14,443.88, 19,932.33 and 8,070.60

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Solution

The fourth proportional to 14,443.88, 19,932.33 and 8,070.60 is: 11,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.88 : 19,932.33 = 8,070.60 : x
  2. Step 2: Convert to fraction form
    14,443.88/19,932.33 = 8,070.60/x
  3. Step 3: Cross multiply
    14,443.88x = 19,932.33 × 8,070.60
  4. Step 4: Simplify right side
    14,443.88x = 160,865,822.15
  5. Step 5: Solve for x
    x = 160,865,822.15/14,443.88
  6. Step 6: Final answer
    x = 11,137.30

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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.