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Finding the Fourth Proportional to 3,709,873.20, 5,564,809.80 and 3,343,769.40

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Solution

The fourth proportional to 3,709,873.20, 5,564,809.80 and 3,343,769.40 is: 5,015,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,873.20 : 5,564,809.80 = 3,343,769.40 : x
  2. Step 2: Convert to fraction form
    3,709,873.20/5,564,809.80 = 3,343,769.40/x
  3. Step 3: Cross multiply
    3,709,873.20x = 5,564,809.80 × 3,343,769.40
  4. Step 4: Simplify right side
    3,709,873.20x = 18,607,440,726,060.12
  5. Step 5: Solve for x
    x = 18,607,440,726,060.12/3,709,873.20
  6. Step 6: Final answer
    x = 5,015,654.10

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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.