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Finding the Fourth Proportional to 34,969.70, 48,254.01 and 19,856.90

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Solution

The fourth proportional to 34,969.70, 48,254.01 and 19,856.90 is: 27,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,969.70 : 48,254.01 = 19,856.90 : x
  2. Step 2: Convert to fraction form
    34,969.70/48,254.01 = 19,856.90/x
  3. Step 3: Cross multiply
    34,969.70x = 48,254.01 × 19,856.90
  4. Step 4: Simplify right side
    34,969.70x = 958,175,051.17
  5. Step 5: Solve for x
    x = 958,175,051.17/34,969.70
  6. Step 6: Final answer
    x = 27,400.15

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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.