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Finding the Fourth Proportional to 4,703.05, 7,039.86 and 2,508.76

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Solution

The fourth proportional to 4,703.05, 7,039.86 and 2,508.76 is: 3,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.05 : 7,039.86 = 2,508.76 : x
  2. Step 2: Convert to fraction form
    4,703.05/7,039.86 = 2,508.76/x
  3. Step 3: Cross multiply
    4,703.05x = 7,039.86 × 2,508.76
  4. Step 4: Simplify right side
    4,703.05x = 17,661,319.17
  5. Step 5: Solve for x
    x = 17,661,319.17/4,703.05
  6. Step 6: Final answer
    x = 3,755.29

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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.