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Finding the Fourth Proportional to 10,607.21, 14,626.54 and 6,626.87

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Solution

The fourth proportional to 10,607.21, 14,626.54 and 6,626.87 is: 9,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.21 : 14,626.54 = 6,626.87 : x
  2. Step 2: Convert to fraction form
    10,607.21/14,626.54 = 6,626.87/x
  3. Step 3: Cross multiply
    10,607.21x = 14,626.54 × 6,626.87
  4. Step 4: Simplify right side
    10,607.21x = 96,928,179.13
  5. Step 5: Solve for x
    x = 96,928,179.13/10,607.21
  6. Step 6: Final answer
    x = 9,137.95

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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.