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Finding the Fourth Proportional to 6,255,821.20, 9,397,728.60 and 6,000,768.40

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Solution

The fourth proportional to 6,255,821.20, 9,397,728.60 and 6,000,768.40 is: 9,014,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255,821.20 : 9,397,728.60 = 6,000,768.40 : x
  2. Step 2: Convert to fraction form
    6,255,821.20/9,397,728.60 = 6,000,768.40/x
  3. Step 3: Cross multiply
    6,255,821.20x = 9,397,728.60 × 6,000,768.40
  4. Step 4: Simplify right side
    6,255,821.20x = 56,393,592,814,656.24
  5. Step 5: Solve for x
    x = 56,393,592,814,656.24/6,255,821.20
  6. Step 6: Final answer
    x = 9,014,578.74

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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.