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Finding the Fourth Proportional to 6,606,594.60, 9,909,891.90 and 6,606,594.60

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Solution

The fourth proportional to 6,606,594.60, 9,909,891.90 and 6,606,594.60 is: 9,909,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606,594.60 : 9,909,891.90 = 6,606,594.60 : x
  2. Step 2: Convert to fraction form
    6,606,594.60/9,909,891.90 = 6,606,594.60/x
  3. Step 3: Cross multiply
    6,606,594.60x = 9,909,891.90 × 6,606,594.60
  4. Step 4: Simplify right side
    6,606,594.60x = 65,470,638,313,123.74
  5. Step 5: Solve for x
    x = 65,470,638,313,123.74/6,606,594.60
  6. Step 6: Final answer
    x = 9,909,891.90

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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.