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Finding the Fourth Proportional to 44,407, 66,620.97 and 14,421.14

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Solution

The fourth proportional to 44,407, 66,620.97 and 14,421.14 is: 21,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,407 : 66,620.97 = 14,421.14 : x
  2. Step 2: Convert to fraction form
    44,407/66,620.97 = 14,421.14/x
  3. Step 3: Cross multiply
    44,407x = 66,620.97 × 14,421.14
  4. Step 4: Simplify right side
    44,407x = 960,750,335.31
  5. Step 5: Solve for x
    x = 960,750,335.31/44,407
  6. Step 6: Final answer
    x = 21,635.11

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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.