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Finding the Fourth Proportional to 3,713.91, 5,579.58 and 3,503.76

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Solution

The fourth proportional to 3,713.91, 5,579.58 and 3,503.76 is: 5,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.91 : 5,579.58 = 3,503.76 : x
  2. Step 2: Convert to fraction form
    3,713.91/5,579.58 = 3,503.76/x
  3. Step 3: Cross multiply
    3,713.91x = 5,579.58 × 3,503.76
  4. Step 4: Simplify right side
    3,713.91x = 19,549,509.22
  5. Step 5: Solve for x
    x = 19,549,509.22/3,713.91
  6. Step 6: Final answer
    x = 5,263.86

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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.