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Finding the Fourth Proportional to 27,957.08, 38,581.06 and 16,020.16

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Solution

The fourth proportional to 27,957.08, 38,581.06 and 16,020.16 is: 22,107.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.08 : 38,581.06 = 16,020.16 : x
  2. Step 2: Convert to fraction form
    27,957.08/38,581.06 = 16,020.16/x
  3. Step 3: Cross multiply
    27,957.08x = 38,581.06 × 16,020.16
  4. Step 4: Simplify right side
    27,957.08x = 618,074,754.17
  5. Step 5: Solve for x
    x = 618,074,754.17/27,957.08
  6. Step 6: Final answer
    x = 22,107.99

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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.