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Finding the Fourth Proportional to 14,628.53, 21,947.05 and 5,268.38

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Solution

The fourth proportional to 14,628.53, 21,947.05 and 5,268.38 is: 7,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.53 : 21,947.05 = 5,268.38 : x
  2. Step 2: Convert to fraction form
    14,628.53/21,947.05 = 5,268.38/x
  3. Step 3: Cross multiply
    14,628.53x = 21,947.05 × 5,268.38
  4. Step 4: Simplify right side
    14,628.53x = 115,625,296.13
  5. Step 5: Solve for x
    x = 115,625,296.13/14,628.53
  6. Step 6: Final answer
    x = 7,904.09

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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.