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Finding the Fourth Proportional to 9,834,893.20, 14,752,339.80 and 3,103,307.20

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Solution

The fourth proportional to 9,834,893.20, 14,752,339.80 and 3,103,307.20 is: 4,654,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834,893.20 : 14,752,339.80 = 3,103,307.20 : x
  2. Step 2: Convert to fraction form
    9,834,893.20/14,752,339.80 = 3,103,307.20/x
  3. Step 3: Cross multiply
    9,834,893.20x = 14,752,339.80 × 3,103,307.20
  4. Step 4: Simplify right side
    9,834,893.20x = 45,781,042,318,186.56
  5. Step 5: Solve for x
    x = 45,781,042,318,186.56/9,834,893.20
  6. Step 6: Final answer
    x = 4,654,960.80

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1.5x scale

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.