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Finding the Fourth Proportional to 6,877.63, 9,491.10 and 3,733.79

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Solution

The fourth proportional to 6,877.63, 9,491.10 and 3,733.79 is: 5,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.63 : 9,491.10 = 3,733.79 : x
  2. Step 2: Convert to fraction form
    6,877.63/9,491.10 = 3,733.79/x
  3. Step 3: Cross multiply
    6,877.63x = 9,491.10 × 3,733.79
  4. Step 4: Simplify right side
    6,877.63x = 35,437,774.27
  5. Step 5: Solve for x
    x = 35,437,774.27/6,877.63
  6. Step 6: Final answer
    x = 5,152.62

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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.