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Finding the Fourth Proportional to 8,592,743.50, 11,858,210.77 and 4,672,728.89

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Solution

The fourth proportional to 8,592,743.50, 11,858,210.77 and 4,672,728.89 is: 6,448,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592,743.50 : 11,858,210.77 = 4,672,728.89 : x
  2. Step 2: Convert to fraction form
    8,592,743.50/11,858,210.77 = 4,672,728.89/x
  3. Step 3: Cross multiply
    8,592,743.50x = 11,858,210.77 × 4,672,728.89
  4. Step 4: Simplify right side
    8,592,743.50x = 55,410,204,048,688.14
  5. Step 5: Solve for x
    x = 55,410,204,048,688.14/8,592,743.50
  6. Step 6: Final answer
    x = 6,448,488.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.