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Finding the Fourth Proportional to 8,794,316.80, 13,172,812.80 and 7,301,324.80

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Solution

The fourth proportional to 8,794,316.80, 13,172,812.80 and 7,301,324.80 is: 10,936,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794,316.80 : 13,172,812.80 = 7,301,324.80 : x
  2. Step 2: Convert to fraction form
    8,794,316.80/13,172,812.80 = 7,301,324.80/x
  3. Step 3: Cross multiply
    8,794,316.80x = 13,172,812.80 × 7,301,324.80
  4. Step 4: Simplify right side
    8,794,316.80x = 96,178,984,782,397.44
  5. Step 5: Solve for x
    x = 96,178,984,782,397.44/8,794,316.80
  6. Step 6: Final answer
    x = 10,936,493.07

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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.