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Finding the Fourth Proportional to 10,562.91, 15,837.99 and 7,272.42

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Solution

The fourth proportional to 10,562.91, 15,837.99 and 7,272.42 is: 10,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.91 : 15,837.99 = 7,272.42 : x
  2. Step 2: Convert to fraction form
    10,562.91/15,837.99 = 7,272.42/x
  3. Step 3: Cross multiply
    10,562.91x = 15,837.99 × 7,272.42
  4. Step 4: Simplify right side
    10,562.91x = 115,180,515.24
  5. Step 5: Solve for x
    x = 115,180,515.24/10,562.91
  6. Step 6: Final answer
    x = 10,904.24

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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.