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Finding the Fourth Proportional to 7,236,586.61, 9,982,720.08 and 5,861,483.03

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Solution

The fourth proportional to 7,236,586.61, 9,982,720.08 and 5,861,483.03 is: 8,085,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236,586.61 : 9,982,720.08 = 5,861,483.03 : x
  2. Step 2: Convert to fraction form
    7,236,586.61/9,982,720.08 = 5,861,483.03/x
  3. Step 3: Cross multiply
    7,236,586.61x = 9,982,720.08 × 5,861,483.03
  4. Step 4: Simplify right side
    7,236,586.61x = 58,513,544,292,246.65
  5. Step 5: Solve for x
    x = 58,513,544,292,246.65/7,236,586.61
  6. Step 6: Final answer
    x = 8,085,793.41

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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.