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Finding the Fourth Proportional to 39,216.51, 58,832.06 and 12,922.29

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Solution

The fourth proportional to 39,216.51, 58,832.06 and 12,922.29 is: 19,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.51 : 58,832.06 = 12,922.29 : x
  2. Step 2: Convert to fraction form
    39,216.51/58,832.06 = 12,922.29/x
  3. Step 3: Cross multiply
    39,216.51x = 58,832.06 × 12,922.29
  4. Step 4: Simplify right side
    39,216.51x = 760,244,876.01
  5. Step 5: Solve for x
    x = 760,244,876.01/39,216.51
  6. Step 6: Final answer
    x = 19,385.84

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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.