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Finding the Fourth Proportional to 17,756.96, 26,616.62 and 7,752.92

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Solution

The fourth proportional to 17,756.96, 26,616.62 and 7,752.92 is: 11,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.96 : 26,616.62 = 7,752.92 : x
  2. Step 2: Convert to fraction form
    17,756.96/26,616.62 = 7,752.92/x
  3. Step 3: Cross multiply
    17,756.96x = 26,616.62 × 7,752.92
  4. Step 4: Simplify right side
    17,756.96x = 206,356,411.83
  5. Step 5: Solve for x
    x = 206,356,411.83/17,756.96
  6. Step 6: Final answer
    x = 11,621.16

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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.