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Finding the Fourth Proportional to 42,893.54, 59,178.91 and 25,891.32

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Solution

The fourth proportional to 42,893.54, 59,178.91 and 25,891.32 is: 35,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,893.54 : 59,178.91 = 25,891.32 : x
  2. Step 2: Convert to fraction form
    42,893.54/59,178.91 = 25,891.32/x
  3. Step 3: Cross multiply
    42,893.54x = 59,178.91 × 25,891.32
  4. Step 4: Simplify right side
    42,893.54x = 1,532,220,096.06
  5. Step 5: Solve for x
    x = 1,532,220,096.06/42,893.54
  6. Step 6: Final answer
    x = 35,721.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.