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Finding the Fourth Proportional to 62,405.30, 93,413.55 and 44,909.30

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Solution

The fourth proportional to 62,405.30, 93,413.55 and 44,909.30 is: 67,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,405.30 : 93,413.55 = 44,909.30 : x
  2. Step 2: Convert to fraction form
    62,405.30/93,413.55 = 44,909.30/x
  3. Step 3: Cross multiply
    62,405.30x = 93,413.55 × 44,909.30
  4. Step 4: Simplify right side
    62,405.30x = 4,195,137,141.02
  5. Step 5: Solve for x
    x = 4,195,137,141.02/62,405.30
  6. Step 6: Final answer
    x = 67,224.05

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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.