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Finding the Fourth Proportional to 62,209.90, 93,271.11 and 28,894.60

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Solution

The fourth proportional to 62,209.90, 93,271.11 and 28,894.60 is: 43,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,209.90 : 93,271.11 = 28,894.60 : x
  2. Step 2: Convert to fraction form
    62,209.90/93,271.11 = 28,894.60/x
  3. Step 3: Cross multiply
    62,209.90x = 93,271.11 × 28,894.60
  4. Step 4: Simplify right side
    62,209.90x = 2,695,031,415.01
  5. Step 5: Solve for x
    x = 2,695,031,415.01/62,209.90
  6. Step 6: Final answer
    x = 43,321.58

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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.