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Finding the Fourth Proportional to 46,959.72, 70,474.92 and 36,403.92

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Solution

The fourth proportional to 46,959.72, 70,474.92 and 36,403.92 is: 54,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,959.72 : 70,474.92 = 36,403.92 : x
  2. Step 2: Convert to fraction form
    46,959.72/70,474.92 = 36,403.92/x
  3. Step 3: Cross multiply
    46,959.72x = 70,474.92 × 36,403.92
  4. Step 4: Simplify right side
    46,959.72x = 2,565,563,349.69
  5. Step 5: Solve for x
    x = 2,565,563,349.69/46,959.72
  6. Step 6: Final answer
    x = 54,633.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.