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Finding the Fourth Proportional to 6,637.65, 9,957.84 and 5,549.62

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Solution

The fourth proportional to 6,637.65, 9,957.84 and 5,549.62 is: 8,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.65 : 9,957.84 = 5,549.62 : x
  2. Step 2: Convert to fraction form
    6,637.65/9,957.84 = 5,549.62/x
  3. Step 3: Cross multiply
    6,637.65x = 9,957.84 × 5,549.62
  4. Step 4: Simplify right side
    6,637.65x = 55,262,182.32
  5. Step 5: Solve for x
    x = 55,262,182.32/6,637.65
  6. Step 6: Final answer
    x = 8,325.56

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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.