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Finding the Fourth Proportional to 8,671.96, 13,008.51 and 3,048.95

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Solution

The fourth proportional to 8,671.96, 13,008.51 and 3,048.95 is: 4,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.96 : 13,008.51 = 3,048.95 : x
  2. Step 2: Convert to fraction form
    8,671.96/13,008.51 = 3,048.95/x
  3. Step 3: Cross multiply
    8,671.96x = 13,008.51 × 3,048.95
  4. Step 4: Simplify right side
    8,671.96x = 39,662,216.28
  5. Step 5: Solve for x
    x = 39,662,216.28/8,671.96
  6. Step 6: Final answer
    x = 4,573.62

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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.