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Finding the Fourth Proportional to 25,487, 35,173.62 and 14,309

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Solution

The fourth proportional to 25,487, 35,173.62 and 14,309 is: 19,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487 : 35,173.62 = 14,309 : x
  2. Step 2: Convert to fraction form
    25,487/35,173.62 = 14,309/x
  3. Step 3: Cross multiply
    25,487x = 35,173.62 × 14,309
  4. Step 4: Simplify right side
    25,487x = 503,299,328.58
  5. Step 5: Solve for x
    x = 503,299,328.58/25,487
  6. Step 6: Final answer
    x = 19,747.30

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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.