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Finding the Fourth Proportional to 57,038.56, 85,486.56 and 27,448.45

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Solution

The fourth proportional to 57,038.56, 85,486.56 and 27,448.45 is: 41,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,038.56 : 85,486.56 = 27,448.45 : x
  2. Step 2: Convert to fraction form
    57,038.56/85,486.56 = 27,448.45/x
  3. Step 3: Cross multiply
    57,038.56x = 85,486.56 × 27,448.45
  4. Step 4: Simplify right side
    57,038.56x = 2,346,473,567.83
  5. Step 5: Solve for x
    x = 2,346,473,567.83/57,038.56
  6. Step 6: Final answer
    x = 41,138.37

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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.