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Finding the Fourth Proportional to 8,365.70, 11,536.34 and 6,472.73

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Solution

The fourth proportional to 8,365.70, 11,536.34 and 6,472.73 is: 8,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.70 : 11,536.34 = 6,472.73 : x
  2. Step 2: Convert to fraction form
    8,365.70/11,536.34 = 6,472.73/x
  3. Step 3: Cross multiply
    8,365.70x = 11,536.34 × 6,472.73
  4. Step 4: Simplify right side
    8,365.70x = 74,671,523.96
  5. Step 5: Solve for x
    x = 74,671,523.96/8,365.70
  6. Step 6: Final answer
    x = 8,925.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.