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Finding the Fourth Proportional to 18,349.32, 25,313.88 and 10,893

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Solution

The fourth proportional to 18,349.32, 25,313.88 and 10,893 is: 15,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.32 : 25,313.88 = 10,893 : x
  2. Step 2: Convert to fraction form
    18,349.32/25,313.88 = 10,893/x
  3. Step 3: Cross multiply
    18,349.32x = 25,313.88 × 10,893
  4. Step 4: Simplify right side
    18,349.32x = 275,744,094.84
  5. Step 5: Solve for x
    x = 275,744,094.84/18,349.32
  6. Step 6: Final answer
    x = 15,027.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.