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Finding the Fourth Proportional to 6,607,053.07, 9,909,398.48 and 4,203,758.77

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Solution

The fourth proportional to 6,607,053.07, 9,909,398.48 and 4,203,758.77 is: 6,304,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607,053.07 : 9,909,398.48 = 4,203,758.77 : x
  2. Step 2: Convert to fraction form
    6,607,053.07/9,909,398.48 = 4,203,758.77/x
  3. Step 3: Cross multiply
    6,607,053.07x = 9,909,398.48 × 4,203,758.77
  4. Step 4: Simplify right side
    6,607,053.07x = 41,656,720,787,495.82
  5. Step 5: Solve for x
    x = 41,656,720,787,495.82/6,607,053.07
  6. Step 6: Final answer
    x = 6,304,886.66

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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.