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Finding the Fourth Proportional to 37,602.90, 56,406.02 and 20,950.30

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Solution

The fourth proportional to 37,602.90, 56,406.02 and 20,950.30 is: 31,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,602.90 : 56,406.02 = 20,950.30 : x
  2. Step 2: Convert to fraction form
    37,602.90/56,406.02 = 20,950.30/x
  3. Step 3: Cross multiply
    37,602.90x = 56,406.02 × 20,950.30
  4. Step 4: Simplify right side
    37,602.90x = 1,181,723,040.81
  5. Step 5: Solve for x
    x = 1,181,723,040.81/37,602.90
  6. Step 6: Final answer
    x = 31,426.38

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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.