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Finding the Fourth Proportional to 18,064.71, 24,928.86 and 10,107.69

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Solution

The fourth proportional to 18,064.71, 24,928.86 and 10,107.69 is: 13,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.71 : 24,928.86 = 10,107.69 : x
  2. Step 2: Convert to fraction form
    18,064.71/24,928.86 = 10,107.69/x
  3. Step 3: Cross multiply
    18,064.71x = 24,928.86 × 10,107.69
  4. Step 4: Simplify right side
    18,064.71x = 251,973,188.93
  5. Step 5: Solve for x
    x = 251,973,188.93/18,064.71
  6. Step 6: Final answer
    x = 13,948.37

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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.