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Finding the Fourth Proportional to 35,357.60, 53,071.26 and 25,971.27

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Solution

The fourth proportional to 35,357.60, 53,071.26 and 25,971.27 is: 38,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,357.60 : 53,071.26 = 25,971.27 : x
  2. Step 2: Convert to fraction form
    35,357.60/53,071.26 = 25,971.27/x
  3. Step 3: Cross multiply
    35,357.60x = 53,071.26 × 25,971.27
  4. Step 4: Simplify right side
    35,357.60x = 1,378,327,925.31
  5. Step 5: Solve for x
    x = 1,378,327,925.31/35,357.60
  6. Step 6: Final answer
    x = 38,982.51

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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.