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Finding the Fourth Proportional to 46,578.88, 64,279 and 25,358.30

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Solution

The fourth proportional to 46,578.88, 64,279 and 25,358.30 is: 34,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,578.88 : 64,279 = 25,358.30 : x
  2. Step 2: Convert to fraction form
    46,578.88/64,279 = 25,358.30/x
  3. Step 3: Cross multiply
    46,578.88x = 64,279 × 25,358.30
  4. Step 4: Simplify right side
    46,578.88x = 1,630,005,844.31
  5. Step 5: Solve for x
    x = 1,630,005,844.31/46,578.88
  6. Step 6: Final answer
    x = 34,994.53

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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.