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Finding the Fourth Proportional to 25,483, 35,166.66 and 14,305

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Solution

The fourth proportional to 25,483, 35,166.66 and 14,305 is: 19,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,483 : 35,166.66 = 14,305 : x
  2. Step 2: Convert to fraction form
    25,483/35,166.66 = 14,305/x
  3. Step 3: Cross multiply
    25,483x = 35,166.66 × 14,305
  4. Step 4: Simplify right side
    25,483x = 503,059,071.30
  5. Step 5: Solve for x
    x = 503,059,071.30/25,483
  6. Step 6: Final answer
    x = 19,740.97

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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.