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Finding the Fourth Proportional to 5,480,404.85, 8,220,607.28 and 5,480,404.85

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Solution

The fourth proportional to 5,480,404.85, 8,220,607.28 and 5,480,404.85 is: 8,220,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,404.85 : 8,220,607.28 = 5,480,404.85 : x
  2. Step 2: Convert to fraction form
    5,480,404.85/8,220,607.28 = 5,480,404.85/x
  3. Step 3: Cross multiply
    5,480,404.85x = 8,220,607.28 × 5,480,404.85
  4. Step 4: Simplify right side
    5,480,404.85x = 45,052,255,979,855.28
  5. Step 5: Solve for x
    x = 45,052,255,979,855.28/5,480,404.85
  6. Step 6: Final answer
    x = 8,220,607.28

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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.