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Finding the Fourth Proportional to 7,039,602.46, 9,714,789.30 and 4,593,778.30

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Solution

The fourth proportional to 7,039,602.46, 9,714,789.30 and 4,593,778.30 is: 6,339,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,602.46 : 9,714,789.30 = 4,593,778.30 : x
  2. Step 2: Convert to fraction form
    7,039,602.46/9,714,789.30 = 4,593,778.30/x
  3. Step 3: Cross multiply
    7,039,602.46x = 9,714,789.30 × 4,593,778.30
  4. Step 4: Simplify right side
    7,039,602.46x = 44,627,588,275,412.20
  5. Step 5: Solve for x
    x = 44,627,588,275,412.20/7,039,602.46
  6. Step 6: Final answer
    x = 6,339,504.05

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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.