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Finding the Fourth Proportional to 32,913.51, 49,369.78 and 7,953.39

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Solution

The fourth proportional to 32,913.51, 49,369.78 and 7,953.39 is: 11,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,913.51 : 49,369.78 = 7,953.39 : x
  2. Step 2: Convert to fraction form
    32,913.51/49,369.78 = 7,953.39/x
  3. Step 3: Cross multiply
    32,913.51x = 49,369.78 × 7,953.39
  4. Step 4: Simplify right side
    32,913.51x = 392,657,102.13
  5. Step 5: Solve for x
    x = 392,657,102.13/32,913.51
  6. Step 6: Final answer
    x = 11,929.97

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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.