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Finding the Fourth Proportional to 6,905,156.93, 9,529,683.92 and 3,808,286.03

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Solution

The fourth proportional to 6,905,156.93, 9,529,683.92 and 3,808,286.03 is: 5,255,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905,156.93 : 9,529,683.92 = 3,808,286.03 : x
  2. Step 2: Convert to fraction form
    6,905,156.93/9,529,683.92 = 3,808,286.03/x
  3. Step 3: Cross multiply
    6,905,156.93x = 9,529,683.92 × 3,808,286.03
  4. Step 4: Simplify right side
    6,905,156.93x = 36,291,762,142,851.63
  5. Step 5: Solve for x
    x = 36,291,762,142,851.63/6,905,156.93
  6. Step 6: Final answer
    x = 5,255,747.63

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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.