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Finding the Fourth Proportional to 15,094.01, 20,829.29 and 8,288.02

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Solution

The fourth proportional to 15,094.01, 20,829.29 and 8,288.02 is: 11,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.01 : 20,829.29 = 8,288.02 : x
  2. Step 2: Convert to fraction form
    15,094.01/20,829.29 = 8,288.02/x
  3. Step 3: Cross multiply
    15,094.01x = 20,829.29 × 8,288.02
  4. Step 4: Simplify right side
    15,094.01x = 172,633,556.70
  5. Step 5: Solve for x
    x = 172,633,556.70/15,094.01
  6. Step 6: Final answer
    x = 11,437.22

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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.