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Finding the Fourth Proportional to 8,203.72, 12,303.06 and 2,358.76

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Solution

The fourth proportional to 8,203.72, 12,303.06 and 2,358.76 is: 3,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.72 : 12,303.06 = 2,358.76 : x
  2. Step 2: Convert to fraction form
    8,203.72/12,303.06 = 2,358.76/x
  3. Step 3: Cross multiply
    8,203.72x = 12,303.06 × 2,358.76
  4. Step 4: Simplify right side
    8,203.72x = 29,019,965.81
  5. Step 5: Solve for x
    x = 29,019,965.81/8,203.72
  6. Step 6: Final answer
    x = 3,537.42

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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.