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Finding the Fourth Proportional to 6,599,986.58, 9,915,136.59 and 4,659,177.98

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Solution

The fourth proportional to 6,599,986.58, 9,915,136.59 and 4,659,177.98 is: 6,999,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599,986.58 : 9,915,136.59 = 4,659,177.98 : x
  2. Step 2: Convert to fraction form
    6,599,986.58/9,915,136.59 = 4,659,177.98/x
  3. Step 3: Cross multiply
    6,599,986.58x = 9,915,136.59 × 4,659,177.98
  4. Step 4: Simplify right side
    6,599,986.58x = 46,196,386,068,820.29
  5. Step 5: Solve for x
    x = 46,196,386,068,820.29/6,599,986.58
  6. Step 6: Final answer
    x = 6,999,466.67

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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.