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Finding the Fourth Proportional to 64,962.84, 97,447.14 and 18,214.68

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Solution

The fourth proportional to 64,962.84, 97,447.14 and 18,214.68 is: 27,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,962.84 : 97,447.14 = 18,214.68 : x
  2. Step 2: Convert to fraction form
    64,962.84/97,447.14 = 18,214.68/x
  3. Step 3: Cross multiply
    64,962.84x = 97,447.14 × 18,214.68
  4. Step 4: Simplify right side
    64,962.84x = 1,774,968,472.02
  5. Step 5: Solve for x
    x = 1,774,968,472.02/64,962.84
  6. Step 6: Final answer
    x = 27,322.83

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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.