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Finding the Fourth Proportional to 6,622.89, 9,925.02 and 5,230.10

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Solution

The fourth proportional to 6,622.89, 9,925.02 and 5,230.10 is: 7,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.89 : 9,925.02 = 5,230.10 : x
  2. Step 2: Convert to fraction form
    6,622.89/9,925.02 = 5,230.10/x
  3. Step 3: Cross multiply
    6,622.89x = 9,925.02 × 5,230.10
  4. Step 4: Simplify right side
    6,622.89x = 51,908,797.48
  5. Step 5: Solve for x
    x = 51,908,797.48/6,622.89
  6. Step 6: Final answer
    x = 7,837.79

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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.