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Finding the Fourth Proportional to 9,489,664.53, 13,095,713.34 and 5,138,750.52

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Solution

The fourth proportional to 9,489,664.53, 13,095,713.34 and 5,138,750.52 is: 7,091,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,664.53 : 13,095,713.34 = 5,138,750.52 : x
  2. Step 2: Convert to fraction form
    9,489,664.53/13,095,713.34 = 5,138,750.52/x
  3. Step 3: Cross multiply
    9,489,664.53x = 13,095,713.34 × 5,138,750.52
  4. Step 4: Simplify right side
    9,489,664.53x = 67,295,603,735,695.93
  5. Step 5: Solve for x
    x = 67,295,603,735,695.93/9,489,664.53
  6. Step 6: Final answer
    x = 7,091,462.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.