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Finding the Fourth Proportional to 46,571.76, 69,866.28 and 15,407.28

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Solution

The fourth proportional to 46,571.76, 69,866.28 and 15,407.28 is: 23,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,571.76 : 69,866.28 = 15,407.28 : x
  2. Step 2: Convert to fraction form
    46,571.76/69,866.28 = 15,407.28/x
  3. Step 3: Cross multiply
    46,571.76x = 69,866.28 × 15,407.28
  4. Step 4: Simplify right side
    46,571.76x = 1,076,449,338.52
  5. Step 5: Solve for x
    x = 1,076,449,338.52/46,571.76
  6. Step 6: Final answer
    x = 23,113.78

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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.