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Finding the Fourth Proportional to 8,203.55, 12,303.06 and 3,523.37

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Solution

The fourth proportional to 8,203.55, 12,303.06 and 3,523.37 is: 5,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.55 : 12,303.06 = 3,523.37 : x
  2. Step 2: Convert to fraction form
    8,203.55/12,303.06 = 3,523.37/x
  3. Step 3: Cross multiply
    8,203.55x = 12,303.06 × 3,523.37
  4. Step 4: Simplify right side
    8,203.55x = 43,348,232.51
  5. Step 5: Solve for x
    x = 43,348,232.51/8,203.55
  6. Step 6: Final answer
    x = 5,284.08

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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.