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Finding the Fourth Proportional to 5,366.66, 7,413.12 and 4,807.08

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Solution

The fourth proportional to 5,366.66, 7,413.12 and 4,807.08 is: 6,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.66 : 7,413.12 = 4,807.08 : x
  2. Step 2: Convert to fraction form
    5,366.66/7,413.12 = 4,807.08/x
  3. Step 3: Cross multiply
    5,366.66x = 7,413.12 × 4,807.08
  4. Step 4: Simplify right side
    5,366.66x = 35,635,460.89
  5. Step 5: Solve for x
    x = 35,635,460.89/5,366.66
  6. Step 6: Final answer
    x = 6,640.16

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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.