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Finding the Fourth Proportional to 46,695.50, 64,439.79 and 29,928.50

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Solution

The fourth proportional to 46,695.50, 64,439.79 and 29,928.50 is: 41,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,695.50 : 64,439.79 = 29,928.50 : x
  2. Step 2: Convert to fraction form
    46,695.50/64,439.79 = 29,928.50/x
  3. Step 3: Cross multiply
    46,695.50x = 64,439.79 × 29,928.50
  4. Step 4: Simplify right side
    46,695.50x = 1,928,586,255.02
  5. Step 5: Solve for x
    x = 1,928,586,255.02/46,695.50
  6. Step 6: Final answer
    x = 41,301.33

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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.