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Finding the Fourth Proportional to 12,523.95, 18,773.17 and 6,976.26

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Solution

The fourth proportional to 12,523.95, 18,773.17 and 6,976.26 is: 10,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.95 : 18,773.17 = 6,976.26 : x
  2. Step 2: Convert to fraction form
    12,523.95/18,773.17 = 6,976.26/x
  3. Step 3: Cross multiply
    12,523.95x = 18,773.17 × 6,976.26
  4. Step 4: Simplify right side
    12,523.95x = 130,966,497.50
  5. Step 5: Solve for x
    x = 130,966,497.50/12,523.95
  6. Step 6: Final answer
    x = 10,457.28

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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.