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Finding the Fourth Proportional to 18,844.92, 28,269.54 and 5,698.08

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Solution

The fourth proportional to 18,844.92, 28,269.54 and 5,698.08 is: 8,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.92 : 28,269.54 = 5,698.08 : x
  2. Step 2: Convert to fraction form
    18,844.92/28,269.54 = 5,698.08/x
  3. Step 3: Cross multiply
    18,844.92x = 28,269.54 × 5,698.08
  4. Step 4: Simplify right side
    18,844.92x = 161,082,100.48
  5. Step 5: Solve for x
    x = 161,082,100.48/18,844.92
  6. Step 6: Final answer
    x = 8,547.77

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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.