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Finding the Fourth Proportional to 8,959,582.72, 13,443,859.66 and 4,101,879.88

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Solution

The fourth proportional to 8,959,582.72, 13,443,859.66 and 4,101,879.88 is: 6,154,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959,582.72 : 13,443,859.66 = 4,101,879.88 : x
  2. Step 2: Convert to fraction form
    8,959,582.72/13,443,859.66 = 4,101,879.88/x
  3. Step 3: Cross multiply
    8,959,582.72x = 13,443,859.66 × 4,101,879.88
  4. Step 4: Simplify right side
    8,959,582.72x = 55,145,097,448,897.64
  5. Step 5: Solve for x
    x = 55,145,097,448,897.64/8,959,582.72
  6. Step 6: Final answer
    x = 6,154,873.41

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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.