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Finding the Fourth Proportional to 74,963.44, 112,407.85 and 25,026.40

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Solution

The fourth proportional to 74,963.44, 112,407.85 and 25,026.40 is: 37,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,963.44 : 112,407.85 = 25,026.40 : x
  2. Step 2: Convert to fraction form
    74,963.44/112,407.85 = 25,026.40/x
  3. Step 3: Cross multiply
    74,963.44x = 112,407.85 × 25,026.40
  4. Step 4: Simplify right side
    74,963.44x = 2,813,163,817.24
  5. Step 5: Solve for x
    x = 2,813,163,817.24/74,963.44
  6. Step 6: Final answer
    x = 37,527.14

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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.