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Finding the Fourth Proportional to 57,376.25, 85,904.75 and 29,235.63

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Solution

The fourth proportional to 57,376.25, 85,904.75 and 29,235.63 is: 43,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,376.25 : 85,904.75 = 29,235.63 : x
  2. Step 2: Convert to fraction form
    57,376.25/85,904.75 = 29,235.63/x
  3. Step 3: Cross multiply
    57,376.25x = 85,904.75 × 29,235.63
  4. Step 4: Simplify right side
    57,376.25x = 2,511,479,881.47
  5. Step 5: Solve for x
    x = 2,511,479,881.47/57,376.25
  6. Step 6: Final answer
    x = 43,772.12

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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.