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Finding the Fourth Proportional to 6,503.10, 8,974.22 and 3,518.87

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Solution

The fourth proportional to 6,503.10, 8,974.22 and 3,518.87 is: 4,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.10 : 8,974.22 = 3,518.87 : x
  2. Step 2: Convert to fraction form
    6,503.10/8,974.22 = 3,518.87/x
  3. Step 3: Cross multiply
    6,503.10x = 8,974.22 × 3,518.87
  4. Step 4: Simplify right side
    6,503.10x = 31,579,095.94
  5. Step 5: Solve for x
    x = 31,579,095.94/6,503.10
  6. Step 6: Final answer
    x = 4,856.01

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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.