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Finding the Fourth Proportional to 34,979.40, 48,272.63 and 19,064.88

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Solution

The fourth proportional to 34,979.40, 48,272.63 and 19,064.88 is: 26,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979.40 : 48,272.63 = 19,064.88 : x
  2. Step 2: Convert to fraction form
    34,979.40/48,272.63 = 19,064.88/x
  3. Step 3: Cross multiply
    34,979.40x = 48,272.63 × 19,064.88
  4. Step 4: Simplify right side
    34,979.40x = 920,311,802.91
  5. Step 5: Solve for x
    x = 920,311,802.91/34,979.40
  6. Step 6: Final answer
    x = 26,310.11

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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.