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Finding the Fourth Proportional to 34,987.52, 48,283.29 and 19,071.99

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Solution

The fourth proportional to 34,987.52, 48,283.29 and 19,071.99 is: 26,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,987.52 : 48,283.29 = 19,071.99 : x
  2. Step 2: Convert to fraction form
    34,987.52/48,283.29 = 19,071.99/x
  3. Step 3: Cross multiply
    34,987.52x = 48,283.29 × 19,071.99
  4. Step 4: Simplify right side
    34,987.52x = 920,858,424.05
  5. Step 5: Solve for x
    x = 920,858,424.05/34,987.52
  6. Step 6: Final answer
    x = 26,319.62

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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.