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Finding the Fourth Proportional to 37,108.40, 55,697.40 and 19,590.80

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Solution

The fourth proportional to 37,108.40, 55,697.40 and 19,590.80 is: 29,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,108.40 : 55,697.40 = 19,590.80 : x
  2. Step 2: Convert to fraction form
    37,108.40/55,697.40 = 19,590.80/x
  3. Step 3: Cross multiply
    37,108.40x = 55,697.40 × 19,590.80
  4. Step 4: Simplify right side
    37,108.40x = 1,091,156,623.92
  5. Step 5: Solve for x
    x = 1,091,156,623.92/37,108.40
  6. Step 6: Final answer
    x = 29,404.57

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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.