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Finding the Fourth Proportional to 32,642.75, 45,049.49 and 18,303.89

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Solution

The fourth proportional to 32,642.75, 45,049.49 and 18,303.89 is: 25,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,642.75 : 45,049.49 = 18,303.89 : x
  2. Step 2: Convert to fraction form
    32,642.75/45,049.49 = 18,303.89/x
  3. Step 3: Cross multiply
    32,642.75x = 45,049.49 × 18,303.89
  4. Step 4: Simplify right side
    32,642.75x = 824,580,592.75
  5. Step 5: Solve for x
    x = 824,580,592.75/32,642.75
  6. Step 6: Final answer
    x = 25,260.76

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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.