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Finding the Fourth Proportional to 13,847.17, 19,108.99 and 7,559.54

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Solution

The fourth proportional to 13,847.17, 19,108.99 and 7,559.54 is: 10,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.17 : 19,108.99 = 7,559.54 : x
  2. Step 2: Convert to fraction form
    13,847.17/19,108.99 = 7,559.54/x
  3. Step 3: Cross multiply
    13,847.17x = 19,108.99 × 7,559.54
  4. Step 4: Simplify right side
    13,847.17x = 144,455,220.66
  5. Step 5: Solve for x
    x = 144,455,220.66/13,847.17
  6. Step 6: Final answer
    x = 10,432.11

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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.