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Finding the Fourth Proportional to 53,333.96, 79,974.04 and 17,782.66

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Solution

The fourth proportional to 53,333.96, 79,974.04 and 17,782.66 is: 26,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,333.96 : 79,974.04 = 17,782.66 : x
  2. Step 2: Convert to fraction form
    53,333.96/79,974.04 = 17,782.66/x
  3. Step 3: Cross multiply
    53,333.96x = 79,974.04 × 17,782.66
  4. Step 4: Simplify right side
    53,333.96x = 1,422,151,162.15
  5. Step 5: Solve for x
    x = 1,422,151,162.15/53,333.96
  6. Step 6: Final answer
    x = 26,665.02

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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.