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Finding the Fourth Proportional to 8,895,937.88, 13,328,672.54 and 4,855,260.57

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Solution

The fourth proportional to 8,895,937.88, 13,328,672.54 and 4,855,260.57 is: 7,274,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895,937.88 : 13,328,672.54 = 4,855,260.57 : x
  2. Step 2: Convert to fraction form
    8,895,937.88/13,328,672.54 = 4,855,260.57/x
  3. Step 3: Cross multiply
    8,895,937.88x = 13,328,672.54 × 4,855,260.57
  4. Step 4: Simplify right side
    8,895,937.88x = 64,714,178,209,627.45
  5. Step 5: Solve for x
    x = 64,714,178,209,627.45/8,895,937.88
  6. Step 6: Final answer
    x = 7,274,576.23

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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.