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Finding the Fourth Proportional to 6,221.52, 8,596.62 and 4,972.89

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Solution

The fourth proportional to 6,221.52, 8,596.62 and 4,972.89 is: 6,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.52 : 8,596.62 = 4,972.89 : x
  2. Step 2: Convert to fraction form
    6,221.52/8,596.62 = 4,972.89/x
  3. Step 3: Cross multiply
    6,221.52x = 8,596.62 × 4,972.89
  4. Step 4: Simplify right side
    6,221.52x = 42,750,045.63
  5. Step 5: Solve for x
    x = 42,750,045.63/6,221.52
  6. Step 6: Final answer
    x = 6,871.32

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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.