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Finding the Fourth Proportional to 35,873.69, 53,812.76 and 10,915.56

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Solution

The fourth proportional to 35,873.69, 53,812.76 and 10,915.56 is: 16,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,873.69 : 53,812.76 = 10,915.56 : x
  2. Step 2: Convert to fraction form
    35,873.69/53,812.76 = 10,915.56/x
  3. Step 3: Cross multiply
    35,873.69x = 53,812.76 × 10,915.56
  4. Step 4: Simplify right side
    35,873.69x = 587,396,355.97
  5. Step 5: Solve for x
    x = 587,396,355.97/35,873.69
  6. Step 6: Final answer
    x = 16,374.02

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1.5x scale

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.