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Finding the Fourth Proportional to 16,612.94, 22,927.92 and 9,539.22

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Solution

The fourth proportional to 16,612.94, 22,927.92 and 9,539.22 is: 13,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.94 : 22,927.92 = 9,539.22 : x
  2. Step 2: Convert to fraction form
    16,612.94/22,927.92 = 9,539.22/x
  3. Step 3: Cross multiply
    16,612.94x = 22,927.92 × 9,539.22
  4. Step 4: Simplify right side
    16,612.94x = 218,714,473.02
  5. Step 5: Solve for x
    x = 218,714,473.02/16,612.94
  6. Step 6: Final answer
    x = 13,165.31

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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.