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Finding the Fourth Proportional to 3,326.61, 4,964.62 and 2,957.55

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Solution

The fourth proportional to 3,326.61, 4,964.62 and 2,957.55 is: 4,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.61 : 4,964.62 = 2,957.55 : x
  2. Step 2: Convert to fraction form
    3,326.61/4,964.62 = 2,957.55/x
  3. Step 3: Cross multiply
    3,326.61x = 4,964.62 × 2,957.55
  4. Step 4: Simplify right side
    3,326.61x = 14,683,111.88
  5. Step 5: Solve for x
    x = 14,683,111.88/3,326.61
  6. Step 6: Final answer
    x = 4,413.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.