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Finding the Fourth Proportional to 9,603.52, 13,252.80 and 5,413.12

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Solution

The fourth proportional to 9,603.52, 13,252.80 and 5,413.12 is: 7,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.52 : 13,252.80 = 5,413.12 : x
  2. Step 2: Convert to fraction form
    9,603.52/13,252.80 = 5,413.12/x
  3. Step 3: Cross multiply
    9,603.52x = 13,252.80 × 5,413.12
  4. Step 4: Simplify right side
    9,603.52x = 71,738,996.74
  5. Step 5: Solve for x
    x = 71,738,996.74/9,603.52
  6. Step 6: Final answer
    x = 7,470.07

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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.