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Finding the Fourth Proportional to 46,993.13, 70,502.71 and 21,700.37

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Solution

The fourth proportional to 46,993.13, 70,502.71 and 21,700.37 is: 32,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,993.13 : 70,502.71 = 21,700.37 : x
  2. Step 2: Convert to fraction form
    46,993.13/70,502.71 = 21,700.37/x
  3. Step 3: Cross multiply
    46,993.13x = 70,502.71 × 21,700.37
  4. Step 4: Simplify right side
    46,993.13x = 1,529,934,893.00
  5. Step 5: Solve for x
    x = 1,529,934,893.00/46,993.13
  6. Step 6: Final answer
    x = 32,556.57

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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.