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Finding the Fourth Proportional to 6,690.04, 9,234.18 and 4,037

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Solution

The fourth proportional to 6,690.04, 9,234.18 and 4,037 is: 5,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.04 : 9,234.18 = 4,037 : x
  2. Step 2: Convert to fraction form
    6,690.04/9,234.18 = 4,037/x
  3. Step 3: Cross multiply
    6,690.04x = 9,234.18 × 4,037
  4. Step 4: Simplify right side
    6,690.04x = 37,278,384.66
  5. Step 5: Solve for x
    x = 37,278,384.66/6,690.04
  6. Step 6: Final answer
    x = 5,572.22

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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.