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Finding the Fourth Proportional to 7,959,559.32, 11,939,227.80 and 4,540,549.32

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Solution

The fourth proportional to 7,959,559.32, 11,939,227.80 and 4,540,549.32 is: 6,810,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959,559.32 : 11,939,227.80 = 4,540,549.32 : x
  2. Step 2: Convert to fraction form
    7,959,559.32/11,939,227.80 = 4,540,549.32/x
  3. Step 3: Cross multiply
    7,959,559.32x = 11,939,227.80 × 4,540,549.32
  4. Step 4: Simplify right side
    7,959,559.32x = 54,210,652,668,615.10
  5. Step 5: Solve for x
    x = 54,210,652,668,615.10/7,959,559.32
  6. Step 6: Final answer
    x = 6,810,760.56

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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.