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Finding the Fourth Proportional to 5,661.53, 8,492.29 and 3,713.28

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Solution

The fourth proportional to 5,661.53, 8,492.29 and 3,713.28 is: 5,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.53 : 8,492.29 = 3,713.28 : x
  2. Step 2: Convert to fraction form
    5,661.53/8,492.29 = 3,713.28/x
  3. Step 3: Cross multiply
    5,661.53x = 8,492.29 × 3,713.28
  4. Step 4: Simplify right side
    5,661.53x = 31,534,241.33
  5. Step 5: Solve for x
    x = 31,534,241.33/5,661.53
  6. Step 6: Final answer
    x = 5,569.91

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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.