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Finding the Fourth Proportional to 39,896.48, 59,854.94 and 14,936.88

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Solution

The fourth proportional to 39,896.48, 59,854.94 and 14,936.88 is: 22,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,896.48 : 59,854.94 = 14,936.88 : x
  2. Step 2: Convert to fraction form
    39,896.48/59,854.94 = 14,936.88/x
  3. Step 3: Cross multiply
    39,896.48x = 59,854.94 × 14,936.88
  4. Step 4: Simplify right side
    39,896.48x = 894,046,056.19
  5. Step 5: Solve for x
    x = 894,046,056.19/39,896.48
  6. Step 6: Final answer
    x = 22,409.15

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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.