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Finding the Fourth Proportional to 15,182.99, 22,773.76 and 5,321.51

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Solution

The fourth proportional to 15,182.99, 22,773.76 and 5,321.51 is: 7,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.99 : 22,773.76 = 5,321.51 : x
  2. Step 2: Convert to fraction form
    15,182.99/22,773.76 = 5,321.51/x
  3. Step 3: Cross multiply
    15,182.99x = 22,773.76 × 5,321.51
  4. Step 4: Simplify right side
    15,182.99x = 121,190,877.91
  5. Step 5: Solve for x
    x = 121,190,877.91/15,182.99
  6. Step 6: Final answer
    x = 7,982.01

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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.