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Finding the Fourth Proportional to 37,792.50, 52,153.65 and 21,025.50

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Solution

The fourth proportional to 37,792.50, 52,153.65 and 21,025.50 is: 29,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,792.50 : 52,153.65 = 21,025.50 : x
  2. Step 2: Convert to fraction form
    37,792.50/52,153.65 = 21,025.50/x
  3. Step 3: Cross multiply
    37,792.50x = 52,153.65 × 21,025.50
  4. Step 4: Simplify right side
    37,792.50x = 1,096,556,568.08
  5. Step 5: Solve for x
    x = 1,096,556,568.08/37,792.50
  6. Step 6: Final answer
    x = 29,015.19

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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.