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Finding the Fourth Proportional to 15,021.44, 22,501.95 and 7,004.87

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Solution

The fourth proportional to 15,021.44, 22,501.95 and 7,004.87 is: 10,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.44 : 22,501.95 = 7,004.87 : x
  2. Step 2: Convert to fraction form
    15,021.44/22,501.95 = 7,004.87/x
  3. Step 3: Cross multiply
    15,021.44x = 22,501.95 × 7,004.87
  4. Step 4: Simplify right side
    15,021.44x = 157,623,121.99
  5. Step 5: Solve for x
    x = 157,623,121.99/15,021.44
  6. Step 6: Final answer
    x = 10,493.21

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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.