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Finding the Fourth Proportional to 12,773.18, 19,160.99 and 5,376.26

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Solution

The fourth proportional to 12,773.18, 19,160.99 and 5,376.26 is: 8,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.18 : 19,160.99 = 5,376.26 : x
  2. Step 2: Convert to fraction form
    12,773.18/19,160.99 = 5,376.26/x
  3. Step 3: Cross multiply
    12,773.18x = 19,160.99 × 5,376.26
  4. Step 4: Simplify right side
    12,773.18x = 103,014,341.41
  5. Step 5: Solve for x
    x = 103,014,341.41/12,773.18
  6. Step 6: Final answer
    x = 8,064.90

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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.