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Finding the Fourth Proportional to 8,753,150.40, 13,129,725.60 and 8,753,150.40

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Solution

The fourth proportional to 8,753,150.40, 13,129,725.60 and 8,753,150.40 is: 13,129,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753,150.40 : 13,129,725.60 = 8,753,150.40 : x
  2. Step 2: Convert to fraction form
    8,753,150.40/13,129,725.60 = 8,753,150.40/x
  3. Step 3: Cross multiply
    8,753,150.40x = 13,129,725.60 × 8,753,150.40
  4. Step 4: Simplify right side
    8,753,150.40x = 114,926,462,887,530.23
  5. Step 5: Solve for x
    x = 114,926,462,887,530.23/8,753,150.40
  6. Step 6: Final answer
    x = 13,129,725.60

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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.