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Finding the Fourth Proportional to 34,898.81, 48,152.75 and 19,788.05

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Solution

The fourth proportional to 34,898.81, 48,152.75 and 19,788.05 is: 27,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,898.81 : 48,152.75 = 19,788.05 : x
  2. Step 2: Convert to fraction form
    34,898.81/48,152.75 = 19,788.05/x
  3. Step 3: Cross multiply
    34,898.81x = 48,152.75 × 19,788.05
  4. Step 4: Simplify right side
    34,898.81x = 952,849,046.08
  5. Step 5: Solve for x
    x = 952,849,046.08/34,898.81
  6. Step 6: Final answer
    x = 27,303.20

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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.