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Finding the Fourth Proportional to 73,038.06, 100,792.53 and 39,504.06

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Solution

The fourth proportional to 73,038.06, 100,792.53 and 39,504.06 is: 54,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,038.06 : 100,792.53 = 39,504.06 : x
  2. Step 2: Convert to fraction form
    73,038.06/100,792.53 = 39,504.06/x
  3. Step 3: Cross multiply
    73,038.06x = 100,792.53 × 39,504.06
  4. Step 4: Simplify right side
    73,038.06x = 3,981,714,152.67
  5. Step 5: Solve for x
    x = 3,981,714,152.67/73,038.06
  6. Step 6: Final answer
    x = 54,515.61

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1.5x scale

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.