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Finding the Fourth Proportional to 6,240,520.80, 8,755,624.80 and 6,240,520.80

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Solution

The fourth proportional to 6,240,520.80, 8,755,624.80 and 6,240,520.80 is: 8,755,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,520.80 : 8,755,624.80 = 6,240,520.80 : x
  2. Step 2: Convert to fraction form
    6,240,520.80/8,755,624.80 = 6,240,520.80/x
  3. Step 3: Cross multiply
    6,240,520.80x = 8,755,624.80 × 6,240,520.80
  4. Step 4: Simplify right side
    6,240,520.80x = 54,639,658,681,395.84
  5. Step 5: Solve for x
    x = 54,639,658,681,395.84/6,240,520.80
  6. Step 6: Final answer
    x = 8,755,624.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.