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Finding the Fourth Proportional to 49,886.56, 74,685.88 and 46,383.28

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Solution

The fourth proportional to 49,886.56, 74,685.88 and 46,383.28 is: 69,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.56 : 74,685.88 = 46,383.28 : x
  2. Step 2: Convert to fraction form
    49,886.56/74,685.88 = 46,383.28/x
  3. Step 3: Cross multiply
    49,886.56x = 74,685.88 × 46,383.28
  4. Step 4: Simplify right side
    49,886.56x = 3,464,176,084.09
  5. Step 5: Solve for x
    x = 3,464,176,084.09/49,886.56
  6. Step 6: Final answer
    x = 69,441.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.