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Finding the Fourth Proportional to 37,009.40, 55,548.90 and 19,491.80

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Solution

The fourth proportional to 37,009.40, 55,548.90 and 19,491.80 is: 29,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,009.40 : 55,548.90 = 19,491.80 : x
  2. Step 2: Convert to fraction form
    37,009.40/55,548.90 = 19,491.80/x
  3. Step 3: Cross multiply
    37,009.40x = 55,548.90 × 19,491.80
  4. Step 4: Simplify right side
    37,009.40x = 1,082,748,049.02
  5. Step 5: Solve for x
    x = 1,082,748,049.02/37,009.40
  6. Step 6: Final answer
    x = 29,256.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.