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Finding the Fourth Proportional to 62,653.93, 93,985.01 and 18,276.97

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Solution

The fourth proportional to 62,653.93, 93,985.01 and 18,276.97 is: 27,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,653.93 : 93,985.01 = 18,276.97 : x
  2. Step 2: Convert to fraction form
    62,653.93/93,985.01 = 18,276.97/x
  3. Step 3: Cross multiply
    62,653.93x = 93,985.01 × 18,276.97
  4. Step 4: Simplify right side
    62,653.93x = 1,717,761,208.22
  5. Step 5: Solve for x
    x = 1,717,761,208.22/62,653.93
  6. Step 6: Final answer
    x = 27,416.66

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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.