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Finding the Fourth Proportional to 3,471.64, 4,801.54 and 3,413.32

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Solution

The fourth proportional to 3,471.64, 4,801.54 and 3,413.32 is: 4,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.64 : 4,801.54 = 3,413.32 : x
  2. Step 2: Convert to fraction form
    3,471.64/4,801.54 = 3,413.32/x
  3. Step 3: Cross multiply
    3,471.64x = 4,801.54 × 3,413.32
  4. Step 4: Simplify right side
    3,471.64x = 16,389,192.51
  5. Step 5: Solve for x
    x = 16,389,192.51/3,471.64
  6. Step 6: Final answer
    x = 4,720.88

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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.