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Finding the Fourth Proportional to 6,241,019.40, 8,762,621.40 and 6,241,019.40

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Solution

The fourth proportional to 6,241,019.40, 8,762,621.40 and 6,241,019.40 is: 8,762,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241,019.40 : 8,762,621.40 = 6,241,019.40 : x
  2. Step 2: Convert to fraction form
    6,241,019.40/8,762,621.40 = 6,241,019.40/x
  3. Step 3: Cross multiply
    6,241,019.40x = 8,762,621.40 × 6,241,019.40
  4. Step 4: Simplify right side
    6,241,019.40x = 54,687,690,152,255.16
  5. Step 5: Solve for x
    x = 54,687,690,152,255.16/6,241,019.40
  6. Step 6: Final answer
    x = 8,762,621.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.