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Finding the Fourth Proportional to 6,240.88, 8,610.64 and 3,588.08

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Solution

The fourth proportional to 6,240.88, 8,610.64 and 3,588.08 is: 4,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.88 : 8,610.64 = 3,588.08 : x
  2. Step 2: Convert to fraction form
    6,240.88/8,610.64 = 3,588.08/x
  3. Step 3: Cross multiply
    6,240.88x = 8,610.64 × 3,588.08
  4. Step 4: Simplify right side
    6,240.88x = 30,895,665.17
  5. Step 5: Solve for x
    x = 30,895,665.17/6,240.88
  6. Step 6: Final answer
    x = 4,950.53

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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.