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Finding the Fourth Proportional to 5,755.51, 8,631.15 and 2,056.74

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Solution

The fourth proportional to 5,755.51, 8,631.15 and 2,056.74 is: 3,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.51 : 8,631.15 = 2,056.74 : x
  2. Step 2: Convert to fraction form
    5,755.51/8,631.15 = 2,056.74/x
  3. Step 3: Cross multiply
    5,755.51x = 8,631.15 × 2,056.74
  4. Step 4: Simplify right side
    5,755.51x = 17,752,031.45
  5. Step 5: Solve for x
    x = 17,752,031.45/5,755.51
  6. Step 6: Final answer
    x = 3,084.35

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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.