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Finding the Fourth Proportional to 62,001.81, 93,009.56 and 19,871.91

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Solution

The fourth proportional to 62,001.81, 93,009.56 and 19,871.91 is: 29,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,001.81 : 93,009.56 = 19,871.91 : x
  2. Step 2: Convert to fraction form
    62,001.81/93,009.56 = 19,871.91/x
  3. Step 3: Cross multiply
    62,001.81x = 93,009.56 × 19,871.91
  4. Step 4: Simplify right side
    62,001.81x = 1,848,277,506.10
  5. Step 5: Solve for x
    x = 1,848,277,506.10/62,001.81
  6. Step 6: Final answer
    x = 29,810.06

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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.