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Finding the Fourth Proportional to 8,889,805.80, 13,334,708.70 and 6,149,932.20

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Solution

The fourth proportional to 8,889,805.80, 13,334,708.70 and 6,149,932.20 is: 9,224,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,805.80 : 13,334,708.70 = 6,149,932.20 : x
  2. Step 2: Convert to fraction form
    8,889,805.80/13,334,708.70 = 6,149,932.20/x
  3. Step 3: Cross multiply
    8,889,805.80x = 13,334,708.70 × 6,149,932.20
  4. Step 4: Simplify right side
    8,889,805.80x = 82,007,554,411,750.14
  5. Step 5: Solve for x
    x = 82,007,554,411,750.14/8,889,805.80
  6. Step 6: Final answer
    x = 9,224,898.30

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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.