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Finding the Fourth Proportional to 5,650.90, 8,476.28 and 1,755.32

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Solution

The fourth proportional to 5,650.90, 8,476.28 and 1,755.32 is: 2,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.90 : 8,476.28 = 1,755.32 : x
  2. Step 2: Convert to fraction form
    5,650.90/8,476.28 = 1,755.32/x
  3. Step 3: Cross multiply
    5,650.90x = 8,476.28 × 1,755.32
  4. Step 4: Simplify right side
    5,650.90x = 14,878,583.81
  5. Step 5: Solve for x
    x = 14,878,583.81/5,650.90
  6. Step 6: Final answer
    x = 2,632.96

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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.