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Finding the Fourth Proportional to 25,393.89, 35,060.70 and 15,848.32

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Solution

The fourth proportional to 25,393.89, 35,060.70 and 15,848.32 is: 21,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393.89 : 35,060.70 = 15,848.32 : x
  2. Step 2: Convert to fraction form
    25,393.89/35,060.70 = 15,848.32/x
  3. Step 3: Cross multiply
    25,393.89x = 35,060.70 × 15,848.32
  4. Step 4: Simplify right side
    25,393.89x = 555,653,193.02
  5. Step 5: Solve for x
    x = 555,653,193.02/25,393.89
  6. Step 6: Final answer
    x = 21,881.37

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