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Finding the Fourth Proportional to 9,873,951.94, 14,805,602.54 and 4,479,659.02

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Solution

The fourth proportional to 9,873,951.94, 14,805,602.54 and 4,479,659.02 is: 6,717,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873,951.94 : 14,805,602.54 = 4,479,659.02 : x
  2. Step 2: Convert to fraction form
    9,873,951.94/14,805,602.54 = 4,479,659.02/x
  3. Step 3: Cross multiply
    9,873,951.94x = 14,805,602.54 × 4,479,659.02
  4. Step 4: Simplify right side
    9,873,951.94x = 66,324,050,964,845.90
  5. Step 5: Solve for x
    x = 66,324,050,964,845.90/9,873,951.94
  6. Step 6: Final answer
    x = 6,717,072.49

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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.