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Finding the Fourth Proportional to 27,303.94, 40,948.53 and 11,717.92

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Solution

The fourth proportional to 27,303.94, 40,948.53 and 11,717.92 is: 17,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,303.94 : 40,948.53 = 11,717.92 : x
  2. Step 2: Convert to fraction form
    27,303.94/40,948.53 = 11,717.92/x
  3. Step 3: Cross multiply
    27,303.94x = 40,948.53 × 11,717.92
  4. Step 4: Simplify right side
    27,303.94x = 479,831,598.66
  5. Step 5: Solve for x
    x = 479,831,598.66/27,303.94
  6. Step 6: Final answer
    x = 17,573.71

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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.