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Finding the Fourth Proportional to 33,010.50, 45,554.49 and 18,106.50

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Solution

The fourth proportional to 33,010.50, 45,554.49 and 18,106.50 is: 24,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,010.50 : 45,554.49 = 18,106.50 : x
  2. Step 2: Convert to fraction form
    33,010.50/45,554.49 = 18,106.50/x
  3. Step 3: Cross multiply
    33,010.50x = 45,554.49 × 18,106.50
  4. Step 4: Simplify right side
    33,010.50x = 824,832,373.19
  5. Step 5: Solve for x
    x = 824,832,373.19/33,010.50
  6. Step 6: Final answer
    x = 24,986.97

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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.