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Finding the Fourth Proportional to 34,894.53, 48,143.59 and 19,786

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Solution

The fourth proportional to 34,894.53, 48,143.59 and 19,786 is: 27,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,894.53 : 48,143.59 = 19,786 : x
  2. Step 2: Convert to fraction form
    34,894.53/48,143.59 = 19,786/x
  3. Step 3: Cross multiply
    34,894.53x = 48,143.59 × 19,786
  4. Step 4: Simplify right side
    34,894.53x = 952,569,071.74
  5. Step 5: Solve for x
    x = 952,569,071.74/34,894.53
  6. Step 6: Final answer
    x = 27,298.52

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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.