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Finding the Fourth Proportional to 49,476.56, 74,100.02 and 49,107.80

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Solution

The fourth proportional to 49,476.56, 74,100.02 and 49,107.80 is: 73,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,476.56 : 74,100.02 = 49,107.80 : x
  2. Step 2: Convert to fraction form
    49,476.56/74,100.02 = 49,107.80/x
  3. Step 3: Cross multiply
    49,476.56x = 74,100.02 × 49,107.80
  4. Step 4: Simplify right side
    49,476.56x = 3,638,888,901.87
  5. Step 5: Solve for x
    x = 3,638,888,901.87/49,476.56
  6. Step 6: Final answer
    x = 73,547.74

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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.