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Finding the Fourth Proportional to 46,865.76, 64,680.72 and 26,729.76

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Solution

The fourth proportional to 46,865.76, 64,680.72 and 26,729.76 is: 36,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,865.76 : 64,680.72 = 26,729.76 : x
  2. Step 2: Convert to fraction form
    46,865.76/64,680.72 = 26,729.76/x
  3. Step 3: Cross multiply
    46,865.76x = 64,680.72 × 26,729.76
  4. Step 4: Simplify right side
    46,865.76x = 1,728,900,122.23
  5. Step 5: Solve for x
    x = 1,728,900,122.23/46,865.76
  6. Step 6: Final answer
    x = 36,890.47

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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.