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Finding the Fourth Proportional to 64,881.63, 97,132.86 and 58,655.97

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Solution

The fourth proportional to 64,881.63, 97,132.86 and 58,655.97 is: 87,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.63 : 97,132.86 = 58,655.97 : x
  2. Step 2: Convert to fraction form
    64,881.63/97,132.86 = 58,655.97/x
  3. Step 3: Cross multiply
    64,881.63x = 97,132.86 × 58,655.97
  4. Step 4: Simplify right side
    64,881.63x = 5,697,422,122.17
  5. Step 5: Solve for x
    x = 5,697,422,122.17/64,881.63
  6. Step 6: Final answer
    x = 87,812.56

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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.