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Finding the Fourth Proportional to 5,671.94, 8,510.79 and 2,551.32

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Solution

The fourth proportional to 5,671.94, 8,510.79 and 2,551.32 is: 3,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.94 : 8,510.79 = 2,551.32 : x
  2. Step 2: Convert to fraction form
    5,671.94/8,510.79 = 2,551.32/x
  3. Step 3: Cross multiply
    5,671.94x = 8,510.79 × 2,551.32
  4. Step 4: Simplify right side
    5,671.94x = 21,713,748.74
  5. Step 5: Solve for x
    x = 21,713,748.74/5,671.94
  6. Step 6: Final answer
    x = 3,828.28

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1.5x scale

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.