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Finding the Fourth Proportional to 9,603.54, 13,253.49 and 5,413.14

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Solution

The fourth proportional to 9,603.54, 13,253.49 and 5,413.14 is: 7,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.54 : 13,253.49 = 5,413.14 : x
  2. Step 2: Convert to fraction form
    9,603.54/13,253.49 = 5,413.14/x
  3. Step 3: Cross multiply
    9,603.54x = 13,253.49 × 5,413.14
  4. Step 4: Simplify right side
    9,603.54x = 71,742,996.86
  5. Step 5: Solve for x
    x = 71,742,996.86/9,603.54
  6. Step 6: Final answer
    x = 7,470.47

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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.