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Finding the Fourth Proportional to 47,079, 64,969.08 and 25,858.68

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Solution

The fourth proportional to 47,079, 64,969.08 and 25,858.68 is: 35,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,079 : 64,969.08 = 25,858.68 : x
  2. Step 2: Convert to fraction form
    47,079/64,969.08 = 25,858.68/x
  3. Step 3: Cross multiply
    47,079x = 64,969.08 × 25,858.68
  4. Step 4: Simplify right side
    47,079x = 1,680,014,649.61
  5. Step 5: Solve for x
    x = 1,680,014,649.61/47,079
  6. Step 6: Final answer
    x = 35,685.01

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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.