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Finding the Fourth Proportional to 8,493.48, 12,652.65 and 8,235.54

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Solution

The fourth proportional to 8,493.48, 12,652.65 and 8,235.54 is: 12,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.48 : 12,652.65 = 8,235.54 : x
  2. Step 2: Convert to fraction form
    8,493.48/12,652.65 = 8,235.54/x
  3. Step 3: Cross multiply
    8,493.48x = 12,652.65 × 8,235.54
  4. Step 4: Simplify right side
    8,493.48x = 104,201,405.18
  5. Step 5: Solve for x
    x = 104,201,405.18/8,493.48
  6. Step 6: Final answer
    x = 12,268.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.