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Finding the Fourth Proportional to 4,674.41, 7,011.21 and 1,712.87

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Solution

The fourth proportional to 4,674.41, 7,011.21 and 1,712.87 is: 2,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.41 : 7,011.21 = 1,712.87 : x
  2. Step 2: Convert to fraction form
    4,674.41/7,011.21 = 1,712.87/x
  3. Step 3: Cross multiply
    4,674.41x = 7,011.21 × 1,712.87
  4. Step 4: Simplify right side
    4,674.41x = 12,009,291.27
  5. Step 5: Solve for x
    x = 12,009,291.27/4,674.41
  6. Step 6: Final answer
    x = 2,569.16

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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.