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Finding the Fourth Proportional to 57,039.31, 85,573.54 and 23,748.31

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Solution

The fourth proportional to 57,039.31, 85,573.54 and 23,748.31 is: 35,628.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.31 : 85,573.54 = 23,748.31 : x
  2. Step 2: Convert to fraction form
    57,039.31/85,573.54 = 23,748.31/x
  3. Step 3: Cross multiply
    57,039.31x = 85,573.54 × 23,748.31
  4. Step 4: Simplify right side
    57,039.31x = 2,032,226,955.72
  5. Step 5: Solve for x
    x = 2,032,226,955.72/57,039.31
  6. Step 6: Final answer
    x = 35,628.53

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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.