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Finding the Fourth Proportional to 9,057.42, 13,583.39 and 5,358.67

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Solution

The fourth proportional to 9,057.42, 13,583.39 and 5,358.67 is: 8,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.42 : 13,583.39 = 5,358.67 : x
  2. Step 2: Convert to fraction form
    9,057.42/13,583.39 = 5,358.67/x
  3. Step 3: Cross multiply
    9,057.42x = 13,583.39 × 5,358.67
  4. Step 4: Simplify right side
    9,057.42x = 72,788,843.74
  5. Step 5: Solve for x
    x = 72,788,843.74/9,057.42
  6. Step 6: Final answer
    x = 8,036.38

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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.