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Finding the Fourth Proportional to 32,884.56, 45,369.95 and 20,124.45

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Solution

The fourth proportional to 32,884.56, 45,369.95 and 20,124.45 is: 27,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,884.56 : 45,369.95 = 20,124.45 : x
  2. Step 2: Convert to fraction form
    32,884.56/45,369.95 = 20,124.45/x
  3. Step 3: Cross multiply
    32,884.56x = 45,369.95 × 20,124.45
  4. Step 4: Simplify right side
    32,884.56x = 913,045,189.66
  5. Step 5: Solve for x
    x = 913,045,189.66/32,884.56
  6. Step 6: Final answer
    x = 27,765.16

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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.