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Finding the Fourth Proportional to 60,926.99, 84,087.11 and 39,767.76

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Solution

The fourth proportional to 60,926.99, 84,087.11 and 39,767.76 is: 54,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,926.99 : 84,087.11 = 39,767.76 : x
  2. Step 2: Convert to fraction form
    60,926.99/84,087.11 = 39,767.76/x
  3. Step 3: Cross multiply
    60,926.99x = 84,087.11 × 39,767.76
  4. Step 4: Simplify right side
    60,926.99x = 3,343,956,108.99
  5. Step 5: Solve for x
    x = 3,343,956,108.99/60,926.99
  6. Step 6: Final answer
    x = 54,884.65

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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.