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Finding the Fourth Proportional to 6,548,888.98, 8,972,009.90 and 6,303,438.72

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Solution

The fourth proportional to 6,548,888.98, 8,972,009.90 and 6,303,438.72 is: 8,635,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,548,888.98 : 8,972,009.90 = 6,303,438.72 : x
  2. Step 2: Convert to fraction form
    6,548,888.98/8,972,009.90 = 6,303,438.72/x
  3. Step 3: Cross multiply
    6,548,888.98x = 8,972,009.90 × 6,303,438.72
  4. Step 4: Simplify right side
    6,548,888.98x = 56,554,514,599,883.33
  5. Step 5: Solve for x
    x = 56,554,514,599,883.33/6,548,888.98
  6. Step 6: Final answer
    x = 8,635,741.84

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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.