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Finding the Fourth Proportional to 5,934,847.60, 8,902,271.40 and 5,509,694.80

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Solution

The fourth proportional to 5,934,847.60, 8,902,271.40 and 5,509,694.80 is: 8,264,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,934,847.60 : 8,902,271.40 = 5,509,694.80 : x
  2. Step 2: Convert to fraction form
    5,934,847.60/8,902,271.40 = 5,509,694.80/x
  3. Step 3: Cross multiply
    5,934,847.60x = 8,902,271.40 × 5,509,694.80
  4. Step 4: Simplify right side
    5,934,847.60x = 49,048,798,440,768.72
  5. Step 5: Solve for x
    x = 49,048,798,440,768.72/5,934,847.60
  6. Step 6: Final answer
    x = 8,264,542.20

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Similar ratio
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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.