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Finding the Fourth Proportional to 18,996.93, 28,498.59 and 5,849.01

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Solution

The fourth proportional to 18,996.93, 28,498.59 and 5,849.01 is: 8,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.93 : 28,498.59 = 5,849.01 : x
  2. Step 2: Convert to fraction form
    18,996.93/28,498.59 = 5,849.01/x
  3. Step 3: Cross multiply
    18,996.93x = 28,498.59 × 5,849.01
  4. Step 4: Simplify right side
    18,996.93x = 166,688,537.90
  5. Step 5: Solve for x
    x = 166,688,537.90/18,996.93
  6. Step 6: Final answer
    x = 8,774.50

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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.