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Finding the Fourth Proportional to 6,681.70, 9,216.72 and 4,413.06

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Solution

The fourth proportional to 6,681.70, 9,216.72 and 4,413.06 is: 6,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.70 : 9,216.72 = 4,413.06 : x
  2. Step 2: Convert to fraction form
    6,681.70/9,216.72 = 4,413.06/x
  3. Step 3: Cross multiply
    6,681.70x = 9,216.72 × 4,413.06
  4. Step 4: Simplify right side
    6,681.70x = 40,673,938.36
  5. Step 5: Solve for x
    x = 40,673,938.36/6,681.70
  6. Step 6: Final answer
    x = 6,087.36

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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.