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Finding the Fourth Proportional to 33,290.99, 45,937.43 and 18,952.67

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Solution

The fourth proportional to 33,290.99, 45,937.43 and 18,952.67 is: 26,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,290.99 : 45,937.43 = 18,952.67 : x
  2. Step 2: Convert to fraction form
    33,290.99/45,937.43 = 18,952.67/x
  3. Step 3: Cross multiply
    33,290.99x = 45,937.43 × 18,952.67
  4. Step 4: Simplify right side
    33,290.99x = 870,636,626.99
  5. Step 5: Solve for x
    x = 870,636,626.99/33,290.99
  6. Step 6: Final answer
    x = 26,152.32

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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.