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Finding the Fourth Proportional to 46,662.22, 69,978.95 and 13,373.36

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Solution

The fourth proportional to 46,662.22, 69,978.95 and 13,373.36 is: 20,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,662.22 : 69,978.95 = 13,373.36 : x
  2. Step 2: Convert to fraction form
    46,662.22/69,978.95 = 13,373.36/x
  3. Step 3: Cross multiply
    46,662.22x = 69,978.95 × 13,373.36
  4. Step 4: Simplify right side
    46,662.22x = 935,853,690.77
  5. Step 5: Solve for x
    x = 935,853,690.77/46,662.22
  6. Step 6: Final answer
    x = 20,055.92

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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.