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Finding the Fourth Proportional to 6,502,722.61, 8,973,754.07 and 3,889,226.64

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Solution

The fourth proportional to 6,502,722.61, 8,973,754.07 and 3,889,226.64 is: 5,367,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502,722.61 : 8,973,754.07 = 3,889,226.64 : x
  2. Step 2: Convert to fraction form
    6,502,722.61/8,973,754.07 = 3,889,226.64/x
  3. Step 3: Cross multiply
    6,502,722.61x = 8,973,754.07 × 3,889,226.64
  4. Step 4: Simplify right side
    6,502,722.61x = 34,900,963,325,537.52
  5. Step 5: Solve for x
    x = 34,900,963,325,537.52/6,502,722.61
  6. Step 6: Final answer
    x = 5,367,130.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.