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Finding the Fourth Proportional to 89,165.57, 133,747.02 and 21,698.24

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Solution

The fourth proportional to 89,165.57, 133,747.02 and 21,698.24 is: 32,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,165.57 : 133,747.02 = 21,698.24 : x
  2. Step 2: Convert to fraction form
    89,165.57/133,747.02 = 21,698.24/x
  3. Step 3: Cross multiply
    89,165.57x = 133,747.02 × 21,698.24
  4. Step 4: Simplify right side
    89,165.57x = 2,902,074,939.24
  5. Step 5: Solve for x
    x = 2,902,074,939.24/89,165.57
  6. Step 6: Final answer
    x = 32,547.04

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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.