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Finding the Fourth Proportional to 8,753.63, 13,135.91 and 3,559.50

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Solution

The fourth proportional to 8,753.63, 13,135.91 and 3,559.50 is: 5,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.63 : 13,135.91 = 3,559.50 : x
  2. Step 2: Convert to fraction form
    8,753.63/13,135.91 = 3,559.50/x
  3. Step 3: Cross multiply
    8,753.63x = 13,135.91 × 3,559.50
  4. Step 4: Simplify right side
    8,753.63x = 46,757,253.85
  5. Step 5: Solve for x
    x = 46,757,253.85/8,753.63
  6. Step 6: Final answer
    x = 5,341.47

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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.