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Finding the Fourth Proportional to 57,573.90, 86,454.63 and 35,527.32

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Solution

The fourth proportional to 57,573.90, 86,454.63 and 35,527.32 is: 53,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,573.90 : 86,454.63 = 35,527.32 : x
  2. Step 2: Convert to fraction form
    57,573.90/86,454.63 = 35,527.32/x
  3. Step 3: Cross multiply
    57,573.90x = 86,454.63 × 35,527.32
  4. Step 4: Simplify right side
    57,573.90x = 3,071,501,305.49
  5. Step 5: Solve for x
    x = 3,071,501,305.49/57,573.90
  6. Step 6: Final answer
    x = 53,348.85

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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.