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Finding the Fourth Proportional to 37,303.62, 55,939 and 19,769.34

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Solution

The fourth proportional to 37,303.62, 55,939 and 19,769.34 is: 29,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,303.62 : 55,939 = 19,769.34 : x
  2. Step 2: Convert to fraction form
    37,303.62/55,939 = 19,769.34/x
  3. Step 3: Cross multiply
    37,303.62x = 55,939 × 19,769.34
  4. Step 4: Simplify right side
    37,303.62x = 1,105,877,110.26
  5. Step 5: Solve for x
    x = 1,105,877,110.26/37,303.62
  6. Step 6: Final answer
    x = 29,645.30

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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.