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Finding the Fourth Proportional to 13,043.62, 17,997.18 and 8,802.56

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Solution

The fourth proportional to 13,043.62, 17,997.18 and 8,802.56 is: 12,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.62 : 17,997.18 = 8,802.56 : x
  2. Step 2: Convert to fraction form
    13,043.62/17,997.18 = 8,802.56/x
  3. Step 3: Cross multiply
    13,043.62x = 17,997.18 × 8,802.56
  4. Step 4: Simplify right side
    13,043.62x = 158,421,256.78
  5. Step 5: Solve for x
    x = 158,421,256.78/13,043.62
  6. Step 6: Final answer
    x = 12,145.50

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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.