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Finding the Fourth Proportional to 8,476.02, 12,706.74 and 3,285.54

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Solution

The fourth proportional to 8,476.02, 12,706.74 and 3,285.54 is: 4,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.02 : 12,706.74 = 3,285.54 : x
  2. Step 2: Convert to fraction form
    8,476.02/12,706.74 = 3,285.54/x
  3. Step 3: Cross multiply
    8,476.02x = 12,706.74 × 3,285.54
  4. Step 4: Simplify right side
    8,476.02x = 41,748,502.54
  5. Step 5: Solve for x
    x = 41,748,502.54/8,476.02
  6. Step 6: Final answer
    x = 4,925.48

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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.