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Finding the Fourth Proportional to 62,874.17, 94,291.25 and 20,746.40

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Solution

The fourth proportional to 62,874.17, 94,291.25 and 20,746.40 is: 31,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,874.17 : 94,291.25 = 20,746.40 : x
  2. Step 2: Convert to fraction form
    62,874.17/94,291.25 = 20,746.40/x
  3. Step 3: Cross multiply
    62,874.17x = 94,291.25 × 20,746.40
  4. Step 4: Simplify right side
    62,874.17x = 1,956,204,056.92
  5. Step 5: Solve for x
    x = 1,956,204,056.92/62,874.17
  6. Step 6: Final answer
    x = 31,113.00

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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.