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Finding the Fourth Proportional to 6,353,817.76, 8,769,543.87 and 3,775,002.16

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Solution

The fourth proportional to 6,353,817.76, 8,769,543.87 and 3,775,002.16 is: 5,210,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,353,817.76 : 8,769,543.87 = 3,775,002.16 : x
  2. Step 2: Convert to fraction form
    6,353,817.76/8,769,543.87 = 3,775,002.16/x
  3. Step 3: Cross multiply
    6,353,817.76x = 8,769,543.87 × 3,775,002.16
  4. Step 4: Simplify right side
    6,353,817.76x = 33,105,047,051,464.76
  5. Step 5: Solve for x
    x = 33,105,047,051,464.76/6,353,817.76
  6. Step 6: Final answer
    x = 5,210,260.71

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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.