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Finding the Fourth Proportional to 34,936.79, 48,211.47 and 19,020.92

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Solution

The fourth proportional to 34,936.79, 48,211.47 and 19,020.92 is: 26,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,936.79 : 48,211.47 = 19,020.92 : x
  2. Step 2: Convert to fraction form
    34,936.79/48,211.47 = 19,020.92/x
  3. Step 3: Cross multiply
    34,936.79x = 48,211.47 × 19,020.92
  4. Step 4: Simplify right side
    34,936.79x = 917,026,272.90
  5. Step 5: Solve for x
    x = 917,026,272.90/34,936.79
  6. Step 6: Final answer
    x = 26,248.16

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1.5x scale

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.