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Finding the Fourth Proportional to 52,706.75, 79,070.71 and 19,426.99

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Solution

The fourth proportional to 52,706.75, 79,070.71 and 19,426.99 is: 29,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,706.75 : 79,070.71 = 19,426.99 : x
  2. Step 2: Convert to fraction form
    52,706.75/79,070.71 = 19,426.99/x
  3. Step 3: Cross multiply
    52,706.75x = 79,070.71 × 19,426.99
  4. Step 4: Simplify right side
    52,706.75x = 1,536,105,892.46
  5. Step 5: Solve for x
    x = 1,536,105,892.46/52,706.75
  6. Step 6: Final answer
    x = 29,144.39

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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.