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Finding the Fourth Proportional to 6,575.78, 9,059.16 and 4,582.72

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Solution

The fourth proportional to 6,575.78, 9,059.16 and 4,582.72 is: 6,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,575.78 : 9,059.16 = 4,582.72 : x
  2. Step 2: Convert to fraction form
    6,575.78/9,059.16 = 4,582.72/x
  3. Step 3: Cross multiply
    6,575.78x = 9,059.16 × 4,582.72
  4. Step 4: Simplify right side
    6,575.78x = 41,515,593.72
  5. Step 5: Solve for x
    x = 41,515,593.72/6,575.78
  6. Step 6: Final answer
    x = 6,313.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.