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Finding the Fourth Proportional to 32,689.26, 45,099.02 and 19,938.03

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Solution

The fourth proportional to 32,689.26, 45,099.02 and 19,938.03 is: 27,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,689.26 : 45,099.02 = 19,938.03 : x
  2. Step 2: Convert to fraction form
    32,689.26/45,099.02 = 19,938.03/x
  3. Step 3: Cross multiply
    32,689.26x = 45,099.02 × 19,938.03
  4. Step 4: Simplify right side
    32,689.26x = 899,185,514.04
  5. Step 5: Solve for x
    x = 899,185,514.04/32,689.26
  6. Step 6: Final answer
    x = 27,507.06

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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.