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Finding the Fourth Proportional to 53,992.91, 81,000.99 and 16,555.58

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Solution

The fourth proportional to 53,992.91, 81,000.99 and 16,555.58 is: 24,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992.91 : 81,000.99 = 16,555.58 : x
  2. Step 2: Convert to fraction form
    53,992.91/81,000.99 = 16,555.58/x
  3. Step 3: Cross multiply
    53,992.91x = 81,000.99 × 16,555.58
  4. Step 4: Simplify right side
    53,992.91x = 1,341,017,965.02
  5. Step 5: Solve for x
    x = 1,341,017,965.02/53,992.91
  6. Step 6: Final answer
    x = 24,836.93

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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.