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Finding the Fourth Proportional to 64,415.84, 96,627.02 and 17,669.12

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Solution

The fourth proportional to 64,415.84, 96,627.02 and 17,669.12 is: 26,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,415.84 : 96,627.02 = 17,669.12 : x
  2. Step 2: Convert to fraction form
    64,415.84/96,627.02 = 17,669.12/x
  3. Step 3: Cross multiply
    64,415.84x = 96,627.02 × 17,669.12
  4. Step 4: Simplify right side
    64,415.84x = 1,707,314,411.62
  5. Step 5: Solve for x
    x = 1,707,314,411.62/64,415.84
  6. Step 6: Final answer
    x = 26,504.57

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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.