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Finding the Fourth Proportional to 6,656.19, 9,985.98 and 2,496.21

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Solution

The fourth proportional to 6,656.19, 9,985.98 and 2,496.21 is: 3,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.19 : 9,985.98 = 2,496.21 : x
  2. Step 2: Convert to fraction form
    6,656.19/9,985.98 = 2,496.21/x
  3. Step 3: Cross multiply
    6,656.19x = 9,985.98 × 2,496.21
  4. Step 4: Simplify right side
    6,656.19x = 24,927,090.65
  5. Step 5: Solve for x
    x = 24,927,090.65/6,656.19
  6. Step 6: Final answer
    x = 3,744.95

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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.