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Finding the Fourth Proportional to 46,899.04, 64,720.68 and 25,679.62

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Solution

The fourth proportional to 46,899.04, 64,720.68 and 25,679.62 is: 35,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,899.04 : 64,720.68 = 25,679.62 : x
  2. Step 2: Convert to fraction form
    46,899.04/64,720.68 = 25,679.62/x
  3. Step 3: Cross multiply
    46,899.04x = 64,720.68 × 25,679.62
  4. Step 4: Simplify right side
    46,899.04x = 1,662,002,468.54
  5. Step 5: Solve for x
    x = 1,662,002,468.54/46,899.04
  6. Step 6: Final answer
    x = 35,437.88

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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.