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Finding the Fourth Proportional to 14,400.11, 21,589.94 and 5,507.94

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Solution

The fourth proportional to 14,400.11, 21,589.94 and 5,507.94 is: 8,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.11 : 21,589.94 = 5,507.94 : x
  2. Step 2: Convert to fraction form
    14,400.11/21,589.94 = 5,507.94/x
  3. Step 3: Cross multiply
    14,400.11x = 21,589.94 × 5,507.94
  4. Step 4: Simplify right side
    14,400.11x = 118,916,066.58
  5. Step 5: Solve for x
    x = 118,916,066.58/14,400.11
  6. Step 6: Final answer
    x = 8,258.00

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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.