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Finding the Fourth Proportional to 6,557,254.65, 9,835,881.98 and 4,644,067.05

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Solution

The fourth proportional to 6,557,254.65, 9,835,881.98 and 4,644,067.05 is: 6,966,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557,254.65 : 9,835,881.98 = 4,644,067.05 : x
  2. Step 2: Convert to fraction form
    6,557,254.65/9,835,881.98 = 4,644,067.05/x
  3. Step 3: Cross multiply
    6,557,254.65x = 9,835,881.98 × 4,644,067.05
  4. Step 4: Simplify right side
    6,557,254.65x = 45,678,495,387,786.42
  5. Step 5: Solve for x
    x = 45,678,495,387,786.42/6,557,254.65
  6. Step 6: Final answer
    x = 6,966,100.58

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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.