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Finding the Fourth Proportional to 46,631.60, 64,352.04 and 25,411.28

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Solution

The fourth proportional to 46,631.60, 64,352.04 and 25,411.28 is: 35,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,631.60 : 64,352.04 = 25,411.28 : x
  2. Step 2: Convert to fraction form
    46,631.60/64,352.04 = 25,411.28/x
  3. Step 3: Cross multiply
    46,631.60x = 64,352.04 × 25,411.28
  4. Step 4: Simplify right side
    46,631.60x = 1,635,267,707.01
  5. Step 5: Solve for x
    x = 1,635,267,707.01/46,631.60
  6. Step 6: Final answer
    x = 35,067.80

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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.