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Finding the Fourth Proportional to 6,139.16, 8,475.06 and 4,252.17

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Solution

The fourth proportional to 6,139.16, 8,475.06 and 4,252.17 is: 5,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.16 : 8,475.06 = 4,252.17 : x
  2. Step 2: Convert to fraction form
    6,139.16/8,475.06 = 4,252.17/x
  3. Step 3: Cross multiply
    6,139.16x = 8,475.06 × 4,252.17
  4. Step 4: Simplify right side
    6,139.16x = 36,037,395.88
  5. Step 5: Solve for x
    x = 36,037,395.88/6,139.16
  6. Step 6: Final answer
    x = 5,870.09

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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.