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Finding the Fourth Proportional to 62,289.80, 93,405.90 and 27,211.40

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Solution

The fourth proportional to 62,289.80, 93,405.90 and 27,211.40 is: 40,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,289.80 : 93,405.90 = 27,211.40 : x
  2. Step 2: Convert to fraction form
    62,289.80/93,405.90 = 27,211.40/x
  3. Step 3: Cross multiply
    62,289.80x = 93,405.90 × 27,211.40
  4. Step 4: Simplify right side
    62,289.80x = 2,541,705,307.26
  5. Step 5: Solve for x
    x = 2,541,705,307.26/62,289.80
  6. Step 6: Final answer
    x = 40,804.52

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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.