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Finding the Fourth Proportional to 10,132,643.50, 13,978,917.03 and 5,999,602.30

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Solution

The fourth proportional to 10,132,643.50, 13,978,917.03 and 5,999,602.30 is: 8,277,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132,643.50 : 13,978,917.03 = 5,999,602.30 : x
  2. Step 2: Convert to fraction form
    10,132,643.50/13,978,917.03 = 5,999,602.30/x
  3. Step 3: Cross multiply
    10,132,643.50x = 13,978,917.03 × 5,999,602.30
  4. Step 4: Simplify right side
    10,132,643.50x = 83,867,942,764,697.16
  5. Step 5: Solve for x
    x = 83,867,942,764,697.16/10,132,643.50
  6. Step 6: Final answer
    x = 8,277,005.18

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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.