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Finding the Fourth Proportional to 5,566,477.92, 8,347,085.16 and 2,156,361.72

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Solution

The fourth proportional to 5,566,477.92, 8,347,085.16 and 2,156,361.72 is: 3,233,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566,477.92 : 8,347,085.16 = 2,156,361.72 : x
  2. Step 2: Convert to fraction form
    5,566,477.92/8,347,085.16 = 2,156,361.72/x
  3. Step 3: Cross multiply
    5,566,477.92x = 8,347,085.16 × 2,156,361.72
  4. Step 4: Simplify right side
    5,566,477.92x = 17,999,334,912,604.08
  5. Step 5: Solve for x
    x = 17,999,334,912,604.08/5,566,477.92
  6. Step 6: Final answer
    x = 3,233,523.10

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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.