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Finding the Fourth Proportional to 64,683.84, 97,025.78 and 17,936.72

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Solution

The fourth proportional to 64,683.84, 97,025.78 and 17,936.72 is: 26,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,683.84 : 97,025.78 = 17,936.72 : x
  2. Step 2: Convert to fraction form
    64,683.84/97,025.78 = 17,936.72/x
  3. Step 3: Cross multiply
    64,683.84x = 97,025.78 × 17,936.72
  4. Step 4: Simplify right side
    64,683.84x = 1,740,323,673.83
  5. Step 5: Solve for x
    x = 1,740,323,673.83/64,683.84
  6. Step 6: Final answer
    x = 26,905.08

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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.