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Finding the Fourth Proportional to 46,040.40, 68,963.40 and 38,264.40

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Solution

The fourth proportional to 46,040.40, 68,963.40 and 38,264.40 is: 57,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,040.40 : 68,963.40 = 38,264.40 : x
  2. Step 2: Convert to fraction form
    46,040.40/68,963.40 = 38,264.40/x
  3. Step 3: Cross multiply
    46,040.40x = 68,963.40 × 38,264.40
  4. Step 4: Simplify right side
    46,040.40x = 2,638,843,122.96
  5. Step 5: Solve for x
    x = 2,638,843,122.96/46,040.40
  6. Step 6: Final answer
    x = 57,315.82

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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.