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Finding the Fourth Proportional to 4,647.63, 6,972.48 and 1,527.51

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Solution

The fourth proportional to 4,647.63, 6,972.48 and 1,527.51 is: 2,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.63 : 6,972.48 = 1,527.51 : x
  2. Step 2: Convert to fraction form
    4,647.63/6,972.48 = 1,527.51/x
  3. Step 3: Cross multiply
    4,647.63x = 6,972.48 × 1,527.51
  4. Step 4: Simplify right side
    4,647.63x = 10,650,532.92
  5. Step 5: Solve for x
    x = 10,650,532.92/4,647.63
  6. Step 6: Final answer
    x = 2,291.61

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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.