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Finding the Fourth Proportional to 8,770.54, 13,157.11 and 3,223.45

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Solution

The fourth proportional to 8,770.54, 13,157.11 and 3,223.45 is: 4,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.54 : 13,157.11 = 3,223.45 : x
  2. Step 2: Convert to fraction form
    8,770.54/13,157.11 = 3,223.45/x
  3. Step 3: Cross multiply
    8,770.54x = 13,157.11 × 3,223.45
  4. Step 4: Simplify right side
    8,770.54x = 42,411,317.09
  5. Step 5: Solve for x
    x = 42,411,317.09/8,770.54
  6. Step 6: Final answer
    x = 4,835.66

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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.