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Finding the Fourth Proportional to 45,248.33, 67,869.45 and 11,967.66

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Solution

The fourth proportional to 45,248.33, 67,869.45 and 11,967.66 is: 17,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,248.33 : 67,869.45 = 11,967.66 : x
  2. Step 2: Convert to fraction form
    45,248.33/67,869.45 = 11,967.66/x
  3. Step 3: Cross multiply
    45,248.33x = 67,869.45 × 11,967.66
  4. Step 4: Simplify right side
    45,248.33x = 812,238,501.99
  5. Step 5: Solve for x
    x = 812,238,501.99/45,248.33
  6. Step 6: Final answer
    x = 17,950.69

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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.