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Finding the Fourth Proportional to 36,919,221.40, 55,378,832.10 and 36,919,221.40

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Solution

The fourth proportional to 36,919,221.40, 55,378,832.10 and 36,919,221.40 is: 55,378,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919,221.40 : 55,378,832.10 = 36,919,221.40 : x
  2. Step 2: Convert to fraction form
    36,919,221.40/55,378,832.10 = 36,919,221.40/x
  3. Step 3: Cross multiply
    36,919,221.40x = 55,378,832.10 × 36,919,221.40
  4. Step 4: Simplify right side
    36,919,221.40x = 2,044,543,363,173,327
  5. Step 5: Solve for x
    x = 2,044,543,363,173,327/36,919,221.40
  6. Step 6: Final answer
    x = 55,378,832.10

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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.