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Finding the Fourth Proportional to 39,471.94, 59,185.95 and 13,162.33

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Solution

The fourth proportional to 39,471.94, 59,185.95 and 13,162.33 is: 19,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.94 : 59,185.95 = 13,162.33 : x
  2. Step 2: Convert to fraction form
    39,471.94/59,185.95 = 13,162.33/x
  3. Step 3: Cross multiply
    39,471.94x = 59,185.95 × 13,162.33
  4. Step 4: Simplify right side
    39,471.94x = 779,025,005.26
  5. Step 5: Solve for x
    x = 779,025,005.26/39,471.94
  6. Step 6: Final answer
    x = 19,736.17

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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.