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Finding the Fourth Proportional to 8,617,657.69, 11,892,899.69 and 4,750,170.13

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Solution

The fourth proportional to 8,617,657.69, 11,892,899.69 and 4,750,170.13 is: 6,555,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617,657.69 : 11,892,899.69 = 4,750,170.13 : x
  2. Step 2: Convert to fraction form
    8,617,657.69/11,892,899.69 = 4,750,170.13/x
  3. Step 3: Cross multiply
    8,617,657.69x = 11,892,899.69 × 4,750,170.13
  4. Step 4: Simplify right side
    8,617,657.69x = 56,493,296,866,524.26
  5. Step 5: Solve for x
    x = 56,493,296,866,524.26/8,617,657.69
  6. Step 6: Final answer
    x = 6,555,528.07

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.