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Finding the Fourth Proportional to 71,392.02, 107,103.06 and 27,017.80

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Solution

The fourth proportional to 71,392.02, 107,103.06 and 27,017.80 is: 40,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,392.02 : 107,103.06 = 27,017.80 : x
  2. Step 2: Convert to fraction form
    71,392.02/107,103.06 = 27,017.80/x
  3. Step 3: Cross multiply
    71,392.02x = 107,103.06 × 27,017.80
  4. Step 4: Simplify right side
    71,392.02x = 2,893,689,054.47
  5. Step 5: Solve for x
    x = 2,893,689,054.47/71,392.02
  6. Step 6: Final answer
    x = 40,532.39

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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.