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Finding the Fourth Proportional to 8,411.48, 12,625.03 and 4,254.42

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Solution

The fourth proportional to 8,411.48, 12,625.03 and 4,254.42 is: 6,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.48 : 12,625.03 = 4,254.42 : x
  2. Step 2: Convert to fraction form
    8,411.48/12,625.03 = 4,254.42/x
  3. Step 3: Cross multiply
    8,411.48x = 12,625.03 × 4,254.42
  4. Step 4: Simplify right side
    8,411.48x = 53,712,232.79
  5. Step 5: Solve for x
    x = 53,712,232.79/8,411.48
  6. Step 6: Final answer
    x = 6,385.59

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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.