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Finding the Fourth Proportional to 6,338,662.80, 9,507,994.20 and 6,029,005.20

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Solution

The fourth proportional to 6,338,662.80, 9,507,994.20 and 6,029,005.20 is: 9,043,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338,662.80 : 9,507,994.20 = 6,029,005.20 : x
  2. Step 2: Convert to fraction form
    6,338,662.80/9,507,994.20 = 6,029,005.20/x
  3. Step 3: Cross multiply
    6,338,662.80x = 9,507,994.20 × 6,029,005.20
  4. Step 4: Simplify right side
    6,338,662.80x = 57,323,746,473,369.84
  5. Step 5: Solve for x
    x = 57,323,746,473,369.84/6,338,662.80
  6. Step 6: Final answer
    x = 9,043,507.80

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Similar ratio
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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.