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Finding the Fourth Proportional to 14,716.36, 22,062.07 and 6,390.10

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Solution

The fourth proportional to 14,716.36, 22,062.07 and 6,390.10 is: 9,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.36 : 22,062.07 = 6,390.10 : x
  2. Step 2: Convert to fraction form
    14,716.36/22,062.07 = 6,390.10/x
  3. Step 3: Cross multiply
    14,716.36x = 22,062.07 × 6,390.10
  4. Step 4: Simplify right side
    14,716.36x = 140,978,833.51
  5. Step 5: Solve for x
    x = 140,978,833.51/14,716.36
  6. Step 6: Final answer
    x = 9,579.74

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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.