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Finding the Fourth Proportional to 62,607.81, 86,397.84 and 33,926.79

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Solution

The fourth proportional to 62,607.81, 86,397.84 and 33,926.79 is: 46,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,607.81 : 86,397.84 = 33,926.79 : x
  2. Step 2: Convert to fraction form
    62,607.81/86,397.84 = 33,926.79/x
  3. Step 3: Cross multiply
    62,607.81x = 86,397.84 × 33,926.79
  4. Step 4: Simplify right side
    62,607.81x = 2,931,201,374.13
  5. Step 5: Solve for x
    x = 2,931,201,374.13/62,607.81
  6. Step 6: Final answer
    x = 46,818.46

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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.