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Finding the Fourth Proportional to 22,291.53, 33,489.51 and 21,030.56

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Solution

The fourth proportional to 22,291.53, 33,489.51 and 21,030.56 is: 31,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.53 : 33,489.51 = 21,030.56 : x
  2. Step 2: Convert to fraction form
    22,291.53/33,489.51 = 21,030.56/x
  3. Step 3: Cross multiply
    22,291.53x = 33,489.51 × 21,030.56
  4. Step 4: Simplify right side
    22,291.53x = 704,303,149.43
  5. Step 5: Solve for x
    x = 704,303,149.43/22,291.53
  6. Step 6: Final answer
    x = 31,595.10

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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.