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Finding the Fourth Proportional to 35,489.85, 48,975.13 and 19,573.95

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Solution

The fourth proportional to 35,489.85, 48,975.13 and 19,573.95 is: 27,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.85 : 48,975.13 = 19,573.95 : x
  2. Step 2: Convert to fraction form
    35,489.85/48,975.13 = 19,573.95/x
  3. Step 3: Cross multiply
    35,489.85x = 48,975.13 × 19,573.95
  4. Step 4: Simplify right side
    35,489.85x = 958,636,953.99
  5. Step 5: Solve for x
    x = 958,636,953.99/35,489.85
  6. Step 6: Final answer
    x = 27,011.58

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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.