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Finding the Fourth Proportional to 6,602,850.61, 9,895,750.72 and 2,956,916.58

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Solution

The fourth proportional to 6,602,850.61, 9,895,750.72 and 2,956,916.58 is: 4,431,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602,850.61 : 9,895,750.72 = 2,956,916.58 : x
  2. Step 2: Convert to fraction form
    6,602,850.61/9,895,750.72 = 2,956,916.58/x
  3. Step 3: Cross multiply
    6,602,850.61x = 9,895,750.72 × 2,956,916.58
  4. Step 4: Simplify right side
    6,602,850.61x = 29,260,909,375,514.94
  5. Step 5: Solve for x
    x = 29,260,909,375,514.94/6,602,850.61
  6. Step 6: Final answer
    x = 4,431,557.08

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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.