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Finding the Fourth Proportional to 14,905, 22,305.66 and 14,052.88

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Solution

The fourth proportional to 14,905, 22,305.66 and 14,052.88 is: 21,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905 : 22,305.66 = 14,052.88 : x
  2. Step 2: Convert to fraction form
    14,905/22,305.66 = 14,052.88/x
  3. Step 3: Cross multiply
    14,905x = 22,305.66 × 14,052.88
  4. Step 4: Simplify right side
    14,905x = 313,458,763.30
  5. Step 5: Solve for x
    x = 313,458,763.30/14,905
  6. Step 6: Final answer
    x = 21,030.44

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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.