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Finding the Fourth Proportional to 57,404.62, 86,106.81 and 15,851.50

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Solution

The fourth proportional to 57,404.62, 86,106.81 and 15,851.50 is: 23,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404.62 : 86,106.81 = 15,851.50 : x
  2. Step 2: Convert to fraction form
    57,404.62/86,106.81 = 15,851.50/x
  3. Step 3: Cross multiply
    57,404.62x = 86,106.81 × 15,851.50
  4. Step 4: Simplify right side
    57,404.62x = 1,364,922,098.72
  5. Step 5: Solve for x
    x = 1,364,922,098.72/57,404.62
  6. Step 6: Final answer
    x = 23,777.22

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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.