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Finding the Fourth Proportional to 39,502.63, 59,253.94 and 11,800.63

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Solution

The fourth proportional to 39,502.63, 59,253.94 and 11,800.63 is: 17,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,502.63 : 59,253.94 = 11,800.63 : x
  2. Step 2: Convert to fraction form
    39,502.63/59,253.94 = 11,800.63/x
  3. Step 3: Cross multiply
    39,502.63x = 59,253.94 × 11,800.63
  4. Step 4: Simplify right side
    39,502.63x = 699,233,525.71
  5. Step 5: Solve for x
    x = 699,233,525.71/39,502.63
  6. Step 6: Final answer
    x = 17,700.94

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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.