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Finding the Fourth Proportional to 6,153.89, 9,239.03 and 5,235.35

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Solution

The fourth proportional to 6,153.89, 9,239.03 and 5,235.35 is: 7,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.89 : 9,239.03 = 5,235.35 : x
  2. Step 2: Convert to fraction form
    6,153.89/9,239.03 = 5,235.35/x
  3. Step 3: Cross multiply
    6,153.89x = 9,239.03 × 5,235.35
  4. Step 4: Simplify right side
    6,153.89x = 48,369,502.97
  5. Step 5: Solve for x
    x = 48,369,502.97/6,153.89
  6. Step 6: Final answer
    x = 7,859.99

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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.