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Finding the Fourth Proportional to 6,647,271.94, 9,975,388.92 and 2,329,360.98

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Solution

The fourth proportional to 6,647,271.94, 9,975,388.92 and 2,329,360.98 is: 3,495,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,271.94 : 9,975,388.92 = 2,329,360.98 : x
  2. Step 2: Convert to fraction form
    6,647,271.94/9,975,388.92 = 2,329,360.98/x
  3. Step 3: Cross multiply
    6,647,271.94x = 9,975,388.92 × 2,329,360.98
  4. Step 4: Simplify right side
    6,647,271.94x = 23,236,281,710,572.34
  5. Step 5: Solve for x
    x = 23,236,281,710,572.34/6,647,271.94
  6. Step 6: Final answer
    x = 3,495,611.72

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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.