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Finding the Fourth Proportional to 38,383.92, 52,969.92 and 22,254.36

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Solution

The fourth proportional to 38,383.92, 52,969.92 and 22,254.36 is: 30,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.92 : 52,969.92 = 22,254.36 : x
  2. Step 2: Convert to fraction form
    38,383.92/52,969.92 = 22,254.36/x
  3. Step 3: Cross multiply
    38,383.92x = 52,969.92 × 22,254.36
  4. Step 4: Simplify right side
    38,383.92x = 1,178,811,386.76
  5. Step 5: Solve for x
    x = 1,178,811,386.76/38,383.92
  6. Step 6: Final answer
    x = 30,711.07

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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.