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Finding the Fourth Proportional to 46,854, 70,290.72 and 19,152

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Solution

The fourth proportional to 46,854, 70,290.72 and 19,152 is: 28,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,854 : 70,290.72 = 19,152 : x
  2. Step 2: Convert to fraction form
    46,854/70,290.72 = 19,152/x
  3. Step 3: Cross multiply
    46,854x = 70,290.72 × 19,152
  4. Step 4: Simplify right side
    46,854x = 1,346,207,869.44
  5. Step 5: Solve for x
    x = 1,346,207,869.44/46,854
  6. Step 6: Final answer
    x = 28,731.97

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