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Finding the Fourth Proportional to 35,418.79, 53,160.99 and 17,900.92

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Solution

The fourth proportional to 35,418.79, 53,160.99 and 17,900.92 is: 26,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.79 : 53,160.99 = 17,900.92 : x
  2. Step 2: Convert to fraction form
    35,418.79/53,160.99 = 17,900.92/x
  3. Step 3: Cross multiply
    35,418.79x = 53,160.99 × 17,900.92
  4. Step 4: Simplify right side
    35,418.79x = 951,630,629.11
  5. Step 5: Solve for x
    x = 951,630,629.11/35,418.79
  6. Step 6: Final answer
    x = 26,867.96

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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.