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Finding the Fourth Proportional to 37,328.05, 55,973.04 and 12,359.09

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Solution

The fourth proportional to 37,328.05, 55,973.04 and 12,359.09 is: 18,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,328.05 : 55,973.04 = 12,359.09 : x
  2. Step 2: Convert to fraction form
    37,328.05/55,973.04 = 12,359.09/x
  3. Step 3: Cross multiply
    37,328.05x = 55,973.04 × 12,359.09
  4. Step 4: Simplify right side
    37,328.05x = 691,775,637.21
  5. Step 5: Solve for x
    x = 691,775,637.21/37,328.05
  6. Step 6: Final answer
    x = 18,532.33

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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.