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Finding the Fourth Proportional to 33,000.98, 45,541.07 and 18,663.63

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Solution

The fourth proportional to 33,000.98, 45,541.07 and 18,663.63 is: 25,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.98 : 45,541.07 = 18,663.63 : x
  2. Step 2: Convert to fraction form
    33,000.98/45,541.07 = 18,663.63/x
  3. Step 3: Cross multiply
    33,000.98x = 45,541.07 × 18,663.63
  4. Step 4: Simplify right side
    33,000.98x = 849,961,680.28
  5. Step 5: Solve for x
    x = 849,961,680.28/33,000.98
  6. Step 6: Final answer
    x = 25,755.65

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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.