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Finding the Fourth Proportional to 22,820.47, 34,230.45 and 7,025.47

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Solution

The fourth proportional to 22,820.47, 34,230.45 and 7,025.47 is: 10,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,820.47 : 34,230.45 = 7,025.47 : x
  2. Step 2: Convert to fraction form
    22,820.47/34,230.45 = 7,025.47/x
  3. Step 3: Cross multiply
    22,820.47x = 34,230.45 × 7,025.47
  4. Step 4: Simplify right side
    22,820.47x = 240,484,999.56
  5. Step 5: Solve for x
    x = 240,484,999.56/22,820.47
  6. Step 6: Final answer
    x = 10,538.13

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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.