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Finding the Fourth Proportional to 6,542.84, 9,029.19 and 3,558.74

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Solution

The fourth proportional to 6,542.84, 9,029.19 and 3,558.74 is: 4,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.84 : 9,029.19 = 3,558.74 : x
  2. Step 2: Convert to fraction form
    6,542.84/9,029.19 = 3,558.74/x
  3. Step 3: Cross multiply
    6,542.84x = 9,029.19 × 3,558.74
  4. Step 4: Simplify right side
    6,542.84x = 32,132,539.62
  5. Step 5: Solve for x
    x = 32,132,539.62/6,542.84
  6. Step 6: Final answer
    x = 4,911.10

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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.