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Finding the Fourth Proportional to 9,267,874.88, 12,789,543.84 and 5,193,573.44

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Solution

The fourth proportional to 9,267,874.88, 12,789,543.84 and 5,193,573.44 is: 7,167,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267,874.88 : 12,789,543.84 = 5,193,573.44 : x
  2. Step 2: Convert to fraction form
    9,267,874.88/12,789,543.84 = 5,193,573.44/x
  3. Step 3: Cross multiply
    9,267,874.88x = 12,789,543.84 × 5,193,573.44
  4. Step 4: Simplify right side
    9,267,874.88x = 66,423,435,197,139.62
  5. Step 5: Solve for x
    x = 66,423,435,197,139.62/9,267,874.88
  6. Step 6: Final answer
    x = 7,167,062.14

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1.5x scale

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.