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Finding the Fourth Proportional to 14,262.55, 21,393.92 and 4,401.61

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Solution

The fourth proportional to 14,262.55, 21,393.92 and 4,401.61 is: 6,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.55 : 21,393.92 = 4,401.61 : x
  2. Step 2: Convert to fraction form
    14,262.55/21,393.92 = 4,401.61/x
  3. Step 3: Cross multiply
    14,262.55x = 21,393.92 × 4,401.61
  4. Step 4: Simplify right side
    14,262.55x = 94,167,649.73
  5. Step 5: Solve for x
    x = 94,167,649.73/14,262.55
  6. Step 6: Final answer
    x = 6,602.44

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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.