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Finding the Fourth Proportional to 34,930.42, 52,411.02 and 19,936.92

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Solution

The fourth proportional to 34,930.42, 52,411.02 and 19,936.92 is: 29,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,930.42 : 52,411.02 = 19,936.92 : x
  2. Step 2: Convert to fraction form
    34,930.42/52,411.02 = 19,936.92/x
  3. Step 3: Cross multiply
    34,930.42x = 52,411.02 × 19,936.92
  4. Step 4: Simplify right side
    34,930.42x = 1,044,914,312.86
  5. Step 5: Solve for x
    x = 1,044,914,312.86/34,930.42
  6. Step 6: Final answer
    x = 29,914.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.