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Finding the Fourth Proportional to 46,405.92, 64,040.40 and 26,266.40

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Solution

The fourth proportional to 46,405.92, 64,040.40 and 26,266.40 is: 36,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,405.92 : 64,040.40 = 26,266.40 : x
  2. Step 2: Convert to fraction form
    46,405.92/64,040.40 = 26,266.40/x
  3. Step 3: Cross multiply
    46,405.92x = 64,040.40 × 26,266.40
  4. Step 4: Simplify right side
    46,405.92x = 1,682,110,762.56
  5. Step 5: Solve for x
    x = 1,682,110,762.56/46,405.92
  6. Step 6: Final answer
    x = 36,247.76

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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.