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Finding the Fourth Proportional to 49,885.95, 74,888.15 and 39,363.51

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Solution

The fourth proportional to 49,885.95, 74,888.15 and 39,363.51 is: 59,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,885.95 : 74,888.15 = 39,363.51 : x
  2. Step 2: Convert to fraction form
    49,885.95/74,888.15 = 39,363.51/x
  3. Step 3: Cross multiply
    49,885.95x = 74,888.15 × 39,363.51
  4. Step 4: Simplify right side
    49,885.95x = 2,947,860,244.59
  5. Step 5: Solve for x
    x = 2,947,860,244.59/49,885.95
  6. Step 6: Final answer
    x = 59,091.99

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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.