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Finding the Fourth Proportional to 11,159.99, 16,714.47 and 7,252.55

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Solution

The fourth proportional to 11,159.99, 16,714.47 and 7,252.55 is: 10,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.99 : 16,714.47 = 7,252.55 : x
  2. Step 2: Convert to fraction form
    11,159.99/16,714.47 = 7,252.55/x
  3. Step 3: Cross multiply
    11,159.99x = 16,714.47 × 7,252.55
  4. Step 4: Simplify right side
    11,159.99x = 121,222,571.18
  5. Step 5: Solve for x
    x = 121,222,571.18/11,159.99
  6. Step 6: Final answer
    x = 10,862.24

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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.