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Finding the Fourth Proportional to 6,248.81, 8,623.40 and 3,596.20

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Solution

The fourth proportional to 6,248.81, 8,623.40 and 3,596.20 is: 4,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.81 : 8,623.40 = 3,596.20 : x
  2. Step 2: Convert to fraction form
    6,248.81/8,623.40 = 3,596.20/x
  3. Step 3: Cross multiply
    6,248.81x = 8,623.40 × 3,596.20
  4. Step 4: Simplify right side
    6,248.81x = 31,011,431.54
  5. Step 5: Solve for x
    x = 31,011,431.54/6,248.81
  6. Step 6: Final answer
    x = 4,962.77

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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.