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Finding the Fourth Proportional to 5,669.90, 8,501.22 and 2,381.30

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Solution

The fourth proportional to 5,669.90, 8,501.22 and 2,381.30 is: 3,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.90 : 8,501.22 = 2,381.30 : x
  2. Step 2: Convert to fraction form
    5,669.90/8,501.22 = 2,381.30/x
  3. Step 3: Cross multiply
    5,669.90x = 8,501.22 × 2,381.30
  4. Step 4: Simplify right side
    5,669.90x = 20,243,955.19
  5. Step 5: Solve for x
    x = 20,243,955.19/5,669.90
  6. Step 6: Final answer
    x = 3,570.43

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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.