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Finding the Fourth Proportional to 25,464.48, 35,141.04 and 14,286.48

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Solution

The fourth proportional to 25,464.48, 35,141.04 and 14,286.48 is: 19,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,464.48 : 35,141.04 = 14,286.48 : x
  2. Step 2: Convert to fraction form
    25,464.48/35,141.04 = 14,286.48/x
  3. Step 3: Cross multiply
    25,464.48x = 35,141.04 × 14,286.48
  4. Step 4: Simplify right side
    25,464.48x = 502,041,765.14
  5. Step 5: Solve for x
    x = 502,041,765.14/25,464.48
  6. Step 6: Final answer
    x = 19,715.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.