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Finding the Fourth Proportional to 8,902.55, 13,349.77 and 4,741.49

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Solution

The fourth proportional to 8,902.55, 13,349.77 and 4,741.49 is: 7,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.55 : 13,349.77 = 4,741.49 : x
  2. Step 2: Convert to fraction form
    8,902.55/13,349.77 = 4,741.49/x
  3. Step 3: Cross multiply
    8,902.55x = 13,349.77 × 4,741.49
  4. Step 4: Simplify right side
    8,902.55x = 63,297,800.96
  5. Step 5: Solve for x
    x = 63,297,800.96/8,902.55
  6. Step 6: Final answer
    x = 7,110.08

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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.