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Finding the Fourth Proportional to 9,605.52, 13,254.12 and 5,413.68

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Solution

The fourth proportional to 9,605.52, 13,254.12 and 5,413.68 is: 7,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.52 : 13,254.12 = 5,413.68 : x
  2. Step 2: Convert to fraction form
    9,605.52/13,254.12 = 5,413.68/x
  3. Step 3: Cross multiply
    9,605.52x = 13,254.12 × 5,413.68
  4. Step 4: Simplify right side
    9,605.52x = 71,753,564.36
  5. Step 5: Solve for x
    x = 71,753,564.36/9,605.52
  6. Step 6: Final answer
    x = 7,470.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.