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Finding the Fourth Proportional to 62,506.89, 93,759.93 and 15,759.36

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Solution

The fourth proportional to 62,506.89, 93,759.93 and 15,759.36 is: 23,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,506.89 : 93,759.93 = 15,759.36 : x
  2. Step 2: Convert to fraction form
    62,506.89/93,759.93 = 15,759.36/x
  3. Step 3: Cross multiply
    62,506.89x = 93,759.93 × 15,759.36
  4. Step 4: Simplify right side
    62,506.89x = 1,477,596,490.44
  5. Step 5: Solve for x
    x = 1,477,596,490.44/62,506.89
  6. Step 6: Final answer
    x = 23,638.94

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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.