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Finding the Fourth Proportional to 5,798,194.48, 8,001,878.64 and 3,219,875.20

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Solution

The fourth proportional to 5,798,194.48, 8,001,878.64 and 3,219,875.20 is: 4,443,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798,194.48 : 8,001,878.64 = 3,219,875.20 : x
  2. Step 2: Convert to fraction form
    5,798,194.48/8,001,878.64 = 3,219,875.20/x
  3. Step 3: Cross multiply
    5,798,194.48x = 8,001,878.64 × 3,219,875.20
  4. Step 4: Simplify right side
    5,798,194.48x = 25,765,050,586,345.73
  5. Step 5: Solve for x
    x = 25,765,050,586,345.73/5,798,194.48
  6. Step 6: Final answer
    x = 4,443,633.39

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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.