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Finding the Fourth Proportional to 35,478.74, 48,962.86 and 19,563.14

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Solution

The fourth proportional to 35,478.74, 48,962.86 and 19,563.14 is: 26,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.74 : 48,962.86 = 19,563.14 : x
  2. Step 2: Convert to fraction form
    35,478.74/48,962.86 = 19,563.14/x
  3. Step 3: Cross multiply
    35,478.74x = 48,962.86 × 19,563.14
  4. Step 4: Simplify right side
    35,478.74x = 957,867,284.98
  5. Step 5: Solve for x
    x = 957,867,284.98/35,478.74
  6. Step 6: Final answer
    x = 26,998.35

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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.