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Finding the Fourth Proportional to 29,134.89, 43,702.59 and 9,413.45

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Solution

The fourth proportional to 29,134.89, 43,702.59 and 9,413.45 is: 14,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,134.89 : 43,702.59 = 9,413.45 : x
  2. Step 2: Convert to fraction form
    29,134.89/43,702.59 = 9,413.45/x
  3. Step 3: Cross multiply
    29,134.89x = 43,702.59 × 9,413.45
  4. Step 4: Simplify right side
    29,134.89x = 411,392,013.05
  5. Step 5: Solve for x
    x = 411,392,013.05/29,134.89
  6. Step 6: Final answer
    x = 14,120.25

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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.