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Finding the Fourth Proportional to 37,757.40, 56,619.90 and 19,030.20

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Solution

The fourth proportional to 37,757.40, 56,619.90 and 19,030.20 is: 28,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,757.40 : 56,619.90 = 19,030.20 : x
  2. Step 2: Convert to fraction form
    37,757.40/56,619.90 = 19,030.20/x
  3. Step 3: Cross multiply
    37,757.40x = 56,619.90 × 19,030.20
  4. Step 4: Simplify right side
    37,757.40x = 1,077,488,020.98
  5. Step 5: Solve for x
    x = 1,077,488,020.98/37,757.40
  6. Step 6: Final answer
    x = 28,537.13

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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.