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Finding the Fourth Proportional to 34,903.70, 52,354.86 and 9,943.91

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Solution

The fourth proportional to 34,903.70, 52,354.86 and 9,943.91 is: 14,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,903.70 : 52,354.86 = 9,943.91 : x
  2. Step 2: Convert to fraction form
    34,903.70/52,354.86 = 9,943.91/x
  3. Step 3: Cross multiply
    34,903.70x = 52,354.86 × 9,943.91
  4. Step 4: Simplify right side
    34,903.70x = 520,611,754.13
  5. Step 5: Solve for x
    x = 520,611,754.13/34,903.70
  6. Step 6: Final answer
    x = 14,915.66

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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.