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Finding the Fourth Proportional to 62,506.77, 93,758.54 and 20,390.01

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Solution

The fourth proportional to 62,506.77, 93,758.54 and 20,390.01 is: 30,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,506.77 : 93,758.54 = 20,390.01 : x
  2. Step 2: Convert to fraction form
    62,506.77/93,758.54 = 20,390.01/x
  3. Step 3: Cross multiply
    62,506.77x = 93,758.54 × 20,390.01
  4. Step 4: Simplify right side
    62,506.77x = 1,911,737,466.24
  5. Step 5: Solve for x
    x = 1,911,737,466.24/62,506.77
  6. Step 6: Final answer
    x = 30,584.49

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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.