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Finding the Fourth Proportional to 7,858,282.44, 11,788,851.44 and 3,247,279.81

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Solution

The fourth proportional to 7,858,282.44, 11,788,851.44 and 3,247,279.81 is: 4,871,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,282.44 : 11,788,851.44 = 3,247,279.81 : x
  2. Step 2: Convert to fraction form
    7,858,282.44/11,788,851.44 = 3,247,279.81/x
  3. Step 3: Cross multiply
    7,858,282.44x = 11,788,851.44 × 3,247,279.81
  4. Step 4: Simplify right side
    7,858,282.44x = 38,281,699,299,432
  5. Step 5: Solve for x
    x = 38,281,699,299,432/7,858,282.44
  6. Step 6: Final answer
    x = 4,871,509.72

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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.