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Finding the Fourth Proportional to 17,482.77, 23,995.31 and 15,550.92

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Solution

The fourth proportional to 17,482.77, 23,995.31 and 15,550.92 is: 21,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,482.77 : 23,995.31 = 15,550.92 : x
  2. Step 2: Convert to fraction form
    17,482.77/23,995.31 = 15,550.92/x
  3. Step 3: Cross multiply
    17,482.77x = 23,995.31 × 15,550.92
  4. Step 4: Simplify right side
    17,482.77x = 373,149,068.43
  5. Step 5: Solve for x
    x = 373,149,068.43/17,482.77
  6. Step 6: Final answer
    x = 21,343.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.