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Finding the Fourth Proportional to 4,357, 6,017.61 and 2,957.32

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Solution

The fourth proportional to 4,357, 6,017.61 and 2,957.32 is: 4,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357 : 6,017.61 = 2,957.32 : x
  2. Step 2: Convert to fraction form
    4,357/6,017.61 = 2,957.32/x
  3. Step 3: Cross multiply
    4,357x = 6,017.61 × 2,957.32
  4. Step 4: Simplify right side
    4,357x = 17,795,998.41
  5. Step 5: Solve for x
    x = 17,795,998.41/4,357
  6. Step 6: Final answer
    x = 4,084.46

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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.