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Finding the Fourth Proportional to 32,989.96, 49,479.42 and 11,926.01

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Solution

The fourth proportional to 32,989.96, 49,479.42 and 11,926.01 is: 17,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.96 : 49,479.42 = 11,926.01 : x
  2. Step 2: Convert to fraction form
    32,989.96/49,479.42 = 11,926.01/x
  3. Step 3: Cross multiply
    32,989.96x = 49,479.42 × 11,926.01
  4. Step 4: Simplify right side
    32,989.96x = 590,092,057.71
  5. Step 5: Solve for x
    x = 590,092,057.71/32,989.96
  6. Step 6: Final answer
    x = 17,887.02

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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.