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Finding the Fourth Proportional to 9,800.05, 14,700.08 and 3,226.90

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Solution

The fourth proportional to 9,800.05, 14,700.08 and 3,226.90 is: 4,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.05 : 14,700.08 = 3,226.90 : x
  2. Step 2: Convert to fraction form
    9,800.05/14,700.08 = 3,226.90/x
  3. Step 3: Cross multiply
    9,800.05x = 14,700.08 × 3,226.90
  4. Step 4: Simplify right side
    9,800.05x = 47,435,672.02
  5. Step 5: Solve for x
    x = 47,435,672.02/9,800.05
  6. Step 6: Final answer
    x = 4,840.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.