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Finding the Fourth Proportional to 57,117.26, 85,676.03 and 15,564.26

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Solution

The fourth proportional to 57,117.26, 85,676.03 and 15,564.26 is: 23,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,117.26 : 85,676.03 = 15,564.26 : x
  2. Step 2: Convert to fraction form
    57,117.26/85,676.03 = 15,564.26/x
  3. Step 3: Cross multiply
    57,117.26x = 85,676.03 × 15,564.26
  4. Step 4: Simplify right side
    57,117.26x = 1,333,484,006.69
  5. Step 5: Solve for x
    x = 1,333,484,006.69/57,117.26
  6. Step 6: Final answer
    x = 23,346.43

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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.