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Finding the Fourth Proportional to 14,451, 21,677.12 and 4,590.06

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Solution

The fourth proportional to 14,451, 21,677.12 and 4,590.06 is: 6,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451 : 21,677.12 = 4,590.06 : x
  2. Step 2: Convert to fraction form
    14,451/21,677.12 = 4,590.06/x
  3. Step 3: Cross multiply
    14,451x = 21,677.12 × 4,590.06
  4. Step 4: Simplify right side
    14,451x = 99,499,258.48
  5. Step 5: Solve for x
    x = 99,499,258.48/14,451
  6. Step 6: Final answer
    x = 6,885.29

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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.