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Finding the Fourth Proportional to 54,393.63, 81,587.08 and 16,948.37

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Solution

The fourth proportional to 54,393.63, 81,587.08 and 16,948.37 is: 25,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,393.63 : 81,587.08 = 16,948.37 : x
  2. Step 2: Convert to fraction form
    54,393.63/81,587.08 = 16,948.37/x
  3. Step 3: Cross multiply
    54,393.63x = 81,587.08 × 16,948.37
  4. Step 4: Simplify right side
    54,393.63x = 1,382,768,244.21
  5. Step 5: Solve for x
    x = 1,382,768,244.21/54,393.63
  6. Step 6: Final answer
    x = 25,421.51

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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.