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Finding the Fourth Proportional to 32,681.44, 45,103.72 and 19,256.88

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Solution

The fourth proportional to 32,681.44, 45,103.72 and 19,256.88 is: 26,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,681.44 : 45,103.72 = 19,256.88 : x
  2. Step 2: Convert to fraction form
    32,681.44/45,103.72 = 19,256.88/x
  3. Step 3: Cross multiply
    32,681.44x = 45,103.72 × 19,256.88
  4. Step 4: Simplify right side
    32,681.44x = 868,556,923.59
  5. Step 5: Solve for x
    x = 868,556,923.59/32,681.44
  6. Step 6: Final answer
    x = 26,576.46

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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.