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Finding the Fourth Proportional to 14,610.06, 21,918.33 and 4,221.06

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Solution

The fourth proportional to 14,610.06, 21,918.33 and 4,221.06 is: 6,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.06 : 21,918.33 = 4,221.06 : x
  2. Step 2: Convert to fraction form
    14,610.06/21,918.33 = 4,221.06/x
  3. Step 3: Cross multiply
    14,610.06x = 21,918.33 × 4,221.06
  4. Step 4: Simplify right side
    14,610.06x = 92,518,586.03
  5. Step 5: Solve for x
    x = 92,518,586.03/14,610.06
  6. Step 6: Final answer
    x = 6,332.53

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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.