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Finding the Fourth Proportional to 14,575.86, 21,856.02 and 5,694.21

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Solution

The fourth proportional to 14,575.86, 21,856.02 and 5,694.21 is: 8,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.86 : 21,856.02 = 5,694.21 : x
  2. Step 2: Convert to fraction form
    14,575.86/21,856.02 = 5,694.21/x
  3. Step 3: Cross multiply
    14,575.86x = 21,856.02 × 5,694.21
  4. Step 4: Simplify right side
    14,575.86x = 124,452,767.64
  5. Step 5: Solve for x
    x = 124,452,767.64/14,575.86
  6. Step 6: Final answer
    x = 8,538.28

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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.