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Finding the Fourth Proportional to 6,728,538.60, 10,092,807.90 and 6,728,538.60

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Solution

The fourth proportional to 6,728,538.60, 10,092,807.90 and 6,728,538.60 is: 10,092,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728,538.60 : 10,092,807.90 = 6,728,538.60 : x
  2. Step 2: Convert to fraction form
    6,728,538.60/10,092,807.90 = 6,728,538.60/x
  3. Step 3: Cross multiply
    6,728,538.60x = 10,092,807.90 × 6,728,538.60
  4. Step 4: Simplify right side
    6,728,538.60x = 67,909,847,537,534.94
  5. Step 5: Solve for x
    x = 67,909,847,537,534.94/6,728,538.60
  6. Step 6: Final answer
    x = 10,092,807.90

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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.