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Finding the Fourth Proportional to 20,443.17, 30,664.76 and 6,592.17

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Solution

The fourth proportional to 20,443.17, 30,664.76 and 6,592.17 is: 9,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.17 : 30,664.76 = 6,592.17 : x
  2. Step 2: Convert to fraction form
    20,443.17/30,664.76 = 6,592.17/x
  3. Step 3: Cross multiply
    20,443.17x = 30,664.76 × 6,592.17
  4. Step 4: Simplify right side
    20,443.17x = 202,147,417.68
  5. Step 5: Solve for x
    x = 202,147,417.68/20,443.17
  6. Step 6: Final answer
    x = 9,888.26

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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.