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Finding the Fourth Proportional to 32,903.33, 49,275.90 and 18,820.67

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Solution

The fourth proportional to 32,903.33, 49,275.90 and 18,820.67 is: 28,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,903.33 : 49,275.90 = 18,820.67 : x
  2. Step 2: Convert to fraction form
    32,903.33/49,275.90 = 18,820.67/x
  3. Step 3: Cross multiply
    32,903.33x = 49,275.90 × 18,820.67
  4. Step 4: Simplify right side
    32,903.33x = 927,405,206.47
  5. Step 5: Solve for x
    x = 927,405,206.47/32,903.33
  6. Step 6: Final answer
    x = 28,185.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.