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Finding the Fourth Proportional to 32,729.99, 45,164.70 and 18,389.03

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Solution

The fourth proportional to 32,729.99, 45,164.70 and 18,389.03 is: 25,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.99 : 45,164.70 = 18,389.03 : x
  2. Step 2: Convert to fraction form
    32,729.99/45,164.70 = 18,389.03/x
  3. Step 3: Cross multiply
    32,729.99x = 45,164.70 × 18,389.03
  4. Step 4: Simplify right side
    32,729.99x = 830,535,023.24
  5. Step 5: Solve for x
    x = 830,535,023.24/32,729.99
  6. Step 6: Final answer
    x = 25,375.35

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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.