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Finding the Fourth Proportional to 46,884.70, 64,700.90 and 25,664.42

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Solution

The fourth proportional to 46,884.70, 64,700.90 and 25,664.42 is: 35,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,884.70 : 64,700.90 = 25,664.42 : x
  2. Step 2: Convert to fraction form
    46,884.70/64,700.90 = 25,664.42/x
  3. Step 3: Cross multiply
    46,884.70x = 64,700.90 × 25,664.42
  4. Step 4: Simplify right side
    46,884.70x = 1,660,511,071.98
  5. Step 5: Solve for x
    x = 1,660,511,071.98/46,884.70
  6. Step 6: Final answer
    x = 35,416.91

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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.