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Finding the Fourth Proportional to 9,059.78, 13,593.51 and 5,779.28

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Solution

The fourth proportional to 9,059.78, 13,593.51 and 5,779.28 is: 8,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.78 : 13,593.51 = 5,779.28 : x
  2. Step 2: Convert to fraction form
    9,059.78/13,593.51 = 5,779.28/x
  3. Step 3: Cross multiply
    9,059.78x = 13,593.51 × 5,779.28
  4. Step 4: Simplify right side
    9,059.78x = 78,560,632.51
  5. Step 5: Solve for x
    x = 78,560,632.51/9,059.78
  6. Step 6: Final answer
    x = 8,671.37

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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.