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Finding the Fourth Proportional to 6,384,687.20, 9,577,030.80 and 6,384,687.20

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Solution

The fourth proportional to 6,384,687.20, 9,577,030.80 and 6,384,687.20 is: 9,577,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,687.20 : 9,577,030.80 = 6,384,687.20 : x
  2. Step 2: Convert to fraction form
    6,384,687.20/9,577,030.80 = 6,384,687.20/x
  3. Step 3: Cross multiply
    6,384,687.20x = 9,577,030.80 × 6,384,687.20
  4. Step 4: Simplify right side
    6,384,687.20x = 61,146,345,962,765.77
  5. Step 5: Solve for x
    x = 61,146,345,962,765.77/6,384,687.20
  6. Step 6: Final answer
    x = 9,577,030.80

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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.