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Finding the Fourth Proportional to 8,885.70, 13,312.35 and 7,233.30

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Solution

The fourth proportional to 8,885.70, 13,312.35 and 7,233.30 is: 10,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.70 : 13,312.35 = 7,233.30 : x
  2. Step 2: Convert to fraction form
    8,885.70/13,312.35 = 7,233.30/x
  3. Step 3: Cross multiply
    8,885.70x = 13,312.35 × 7,233.30
  4. Step 4: Simplify right side
    8,885.70x = 96,292,221.26
  5. Step 5: Solve for x
    x = 96,292,221.26/8,885.70
  6. Step 6: Final answer
    x = 10,836.76

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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.