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Finding the Fourth Proportional to 8,903.50, 13,349.09 and 3,903.46

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Solution

The fourth proportional to 8,903.50, 13,349.09 and 3,903.46 is: 5,852.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.50 : 13,349.09 = 3,903.46 : x
  2. Step 2: Convert to fraction form
    8,903.50/13,349.09 = 3,903.46/x
  3. Step 3: Cross multiply
    8,903.50x = 13,349.09 × 3,903.46
  4. Step 4: Simplify right side
    8,903.50x = 52,107,615.24
  5. Step 5: Solve for x
    x = 52,107,615.24/8,903.50
  6. Step 6: Final answer
    x = 5,852.49

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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.