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Finding the Fourth Proportional to 35,242.70, 52,863.69 and 11,868.98

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Solution

The fourth proportional to 35,242.70, 52,863.69 and 11,868.98 is: 17,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,242.70 : 52,863.69 = 11,868.98 : x
  2. Step 2: Convert to fraction form
    35,242.70/52,863.69 = 11,868.98/x
  3. Step 3: Cross multiply
    35,242.70x = 52,863.69 × 11,868.98
  4. Step 4: Simplify right side
    35,242.70x = 627,438,079.34
  5. Step 5: Solve for x
    x = 627,438,079.34/35,242.70
  6. Step 6: Final answer
    x = 17,803.35

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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.