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Finding the Fourth Proportional to 9,659,842.90, 14,489,764.35 and 5,180,866.90

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Solution

The fourth proportional to 9,659,842.90, 14,489,764.35 and 5,180,866.90 is: 7,771,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,842.90 : 14,489,764.35 = 5,180,866.90 : x
  2. Step 2: Convert to fraction form
    9,659,842.90/14,489,764.35 = 5,180,866.90/x
  3. Step 3: Cross multiply
    9,659,842.90x = 14,489,764.35 × 5,180,866.90
  4. Step 4: Simplify right side
    9,659,842.90x = 75,069,540,509,715.02
  5. Step 5: Solve for x
    x = 75,069,540,509,715.02/9,659,842.90
  6. Step 6: Final answer
    x = 7,771,300.35

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Similar ratio
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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.