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Finding the Fourth Proportional to 34,895.31, 48,130.91 and 21,473.91

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Solution

The fourth proportional to 34,895.31, 48,130.91 and 21,473.91 is: 29,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,895.31 : 48,130.91 = 21,473.91 : x
  2. Step 2: Convert to fraction form
    34,895.31/48,130.91 = 21,473.91/x
  3. Step 3: Cross multiply
    34,895.31x = 48,130.91 × 21,473.91
  4. Step 4: Simplify right side
    34,895.31x = 1,033,558,802.72
  5. Step 5: Solve for x
    x = 1,033,558,802.72/34,895.31
  6. Step 6: Final answer
    x = 29,618.85

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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.