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Finding the Fourth Proportional to 7,025.42, 9,739.47 and 6,650.89

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Solution

The fourth proportional to 7,025.42, 9,739.47 and 6,650.89 is: 9,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.42 : 9,739.47 = 6,650.89 : x
  2. Step 2: Convert to fraction form
    7,025.42/9,739.47 = 6,650.89/x
  3. Step 3: Cross multiply
    7,025.42x = 9,739.47 × 6,650.89
  4. Step 4: Simplify right side
    7,025.42x = 64,776,143.63
  5. Step 5: Solve for x
    x = 64,776,143.63/7,025.42
  6. Step 6: Final answer
    x = 9,220.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.