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Finding the Fourth Proportional to 6,160.64, 8,500.70 and 3,508.10

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Solution

The fourth proportional to 6,160.64, 8,500.70 and 3,508.10 is: 4,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.64 : 8,500.70 = 3,508.10 : x
  2. Step 2: Convert to fraction form
    6,160.64/8,500.70 = 3,508.10/x
  3. Step 3: Cross multiply
    6,160.64x = 8,500.70 × 3,508.10
  4. Step 4: Simplify right side
    6,160.64x = 29,821,305.67
  5. Step 5: Solve for x
    x = 29,821,305.67/6,160.64
  6. Step 6: Final answer
    x = 4,840.62

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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.