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Finding the Fourth Proportional to 27,637.66, 41,464.55 and 8,917.30

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Solution

The fourth proportional to 27,637.66, 41,464.55 and 8,917.30 is: 13,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.66 : 41,464.55 = 8,917.30 : x
  2. Step 2: Convert to fraction form
    27,637.66/41,464.55 = 8,917.30/x
  3. Step 3: Cross multiply
    27,637.66x = 41,464.55 × 8,917.30
  4. Step 4: Simplify right side
    27,637.66x = 369,751,831.72
  5. Step 5: Solve for x
    x = 369,751,831.72/27,637.66
  6. Step 6: Final answer
    x = 13,378.55

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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.