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Finding the Fourth Proportional to 6,275,280.45, 9,412,920.68 and 6,275,280.45

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Solution

The fourth proportional to 6,275,280.45, 9,412,920.68 and 6,275,280.45 is: 9,412,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275,280.45 : 9,412,920.68 = 6,275,280.45 : x
  2. Step 2: Convert to fraction form
    6,275,280.45/9,412,920.68 = 6,275,280.45/x
  3. Step 3: Cross multiply
    6,275,280.45x = 9,412,920.68 × 6,275,280.45
  4. Step 4: Simplify right side
    6,275,280.45x = 59,068,717,089,228.31
  5. Step 5: Solve for x
    x = 59,068,717,089,228.31/6,275,280.45
  6. Step 6: Final answer
    x = 9,412,920.68

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1.5x scale

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.