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Finding the Fourth Proportional to 64,249, 88,681.56 and 37,396.68

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Solution

The fourth proportional to 64,249, 88,681.56 and 37,396.68 is: 51,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,249 : 88,681.56 = 37,396.68 : x
  2. Step 2: Convert to fraction form
    64,249/88,681.56 = 37,396.68/x
  3. Step 3: Cross multiply
    64,249x = 88,681.56 × 37,396.68
  4. Step 4: Simplify right side
    64,249x = 3,316,395,921.22
  5. Step 5: Solve for x
    x = 3,316,395,921.22/64,249
  6. Step 6: Final answer
    x = 51,617.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.