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Finding the Fourth Proportional to 57,021.99, 85,532.99 and 17,579.13

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Solution

The fourth proportional to 57,021.99, 85,532.99 and 17,579.13 is: 26,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.99 : 85,532.99 = 17,579.13 : x
  2. Step 2: Convert to fraction form
    57,021.99/85,532.99 = 17,579.13/x
  3. Step 3: Cross multiply
    57,021.99x = 85,532.99 × 17,579.13
  4. Step 4: Simplify right side
    57,021.99x = 1,503,595,462.60
  5. Step 5: Solve for x
    x = 1,503,595,462.60/57,021.99
  6. Step 6: Final answer
    x = 26,368.70

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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.