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Finding the Fourth Proportional to 76,999.56, 115,503.45 and 24,413.16

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Solution

The fourth proportional to 76,999.56, 115,503.45 and 24,413.16 is: 36,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,999.56 : 115,503.45 = 24,413.16 : x
  2. Step 2: Convert to fraction form
    76,999.56/115,503.45 = 24,413.16/x
  3. Step 3: Cross multiply
    76,999.56x = 115,503.45 × 24,413.16
  4. Step 4: Simplify right side
    76,999.56x = 2,819,804,205.40
  5. Step 5: Solve for x
    x = 2,819,804,205.40/76,999.56
  6. Step 6: Final answer
    x = 36,621.04

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1.5x scale

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.