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Finding the Fourth Proportional to 47,009.43, 64,873.02 and 25,788.75

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Solution

The fourth proportional to 47,009.43, 64,873.02 and 25,788.75 is: 35,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,009.43 : 64,873.02 = 25,788.75 : x
  2. Step 2: Convert to fraction form
    47,009.43/64,873.02 = 25,788.75/x
  3. Step 3: Cross multiply
    47,009.43x = 64,873.02 × 25,788.75
  4. Step 4: Simplify right side
    47,009.43x = 1,672,994,094.53
  5. Step 5: Solve for x
    x = 1,672,994,094.53/47,009.43
  6. Step 6: Final answer
    x = 35,588.48

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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.