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Finding the Fourth Proportional to 33,207.76, 45,826.71 and 18,303.76

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Solution

The fourth proportional to 33,207.76, 45,826.71 and 18,303.76 is: 25,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,207.76 : 45,826.71 = 18,303.76 : x
  2. Step 2: Convert to fraction form
    33,207.76/45,826.71 = 18,303.76/x
  3. Step 3: Cross multiply
    33,207.76x = 45,826.71 × 18,303.76
  4. Step 4: Simplify right side
    33,207.76x = 838,800,780.78
  5. Step 5: Solve for x
    x = 838,800,780.78/33,207.76
  6. Step 6: Final answer
    x = 25,259.18

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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.