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Finding the Fourth Proportional to 6,548,876.01, 8,971,992.14 and 6,303,425.79

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Solution

The fourth proportional to 6,548,876.01, 8,971,992.14 and 6,303,425.79 is: 8,635,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,548,876.01 : 8,971,992.14 = 6,303,425.79 : x
  2. Step 2: Convert to fraction form
    6,548,876.01/8,971,992.14 = 6,303,425.79/x
  3. Step 3: Cross multiply
    6,548,876.01x = 8,971,992.14 × 6,303,425.79
  4. Step 4: Simplify right side
    6,548,876.01x = 56,554,286,642,953.30
  5. Step 5: Solve for x
    x = 56,554,286,642,953.30/6,548,876.01
  6. Step 6: Final answer
    x = 8,635,724.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.