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Finding the Fourth Proportional to 8,465.52, 12,703.54 and 4,083.42

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Solution

The fourth proportional to 8,465.52, 12,703.54 and 4,083.42 is: 6,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.52 : 12,703.54 = 4,083.42 : x
  2. Step 2: Convert to fraction form
    8,465.52/12,703.54 = 4,083.42/x
  3. Step 3: Cross multiply
    8,465.52x = 12,703.54 × 4,083.42
  4. Step 4: Simplify right side
    8,465.52x = 51,873,889.31
  5. Step 5: Solve for x
    x = 51,873,889.31/8,465.52
  6. Step 6: Final answer
    x = 6,127.67

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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.