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Finding the Fourth Proportional to 5,798,188.48, 8,001,870.34 and 3,219,869.20

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Solution

The fourth proportional to 5,798,188.48, 8,001,870.34 and 3,219,869.20 is: 4,443,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798,188.48 : 8,001,870.34 = 3,219,869.20 : x
  2. Step 2: Convert to fraction form
    5,798,188.48/8,001,870.34 = 3,219,869.20/x
  3. Step 3: Cross multiply
    5,798,188.48x = 8,001,870.34 × 3,219,869.20
  4. Step 4: Simplify right side
    5,798,188.48x = 25,764,975,850,159.53
  5. Step 5: Solve for x
    x = 25,764,975,850,159.53/5,798,188.48
  6. Step 6: Final answer
    x = 4,443,625.10

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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.