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Finding the Fourth Proportional to 8,363.48, 12,546.42 and 4,465.76

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Solution

The fourth proportional to 8,363.48, 12,546.42 and 4,465.76 is: 6,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.48 : 12,546.42 = 4,465.76 : x
  2. Step 2: Convert to fraction form
    8,363.48/12,546.42 = 4,465.76/x
  3. Step 3: Cross multiply
    8,363.48x = 12,546.42 × 4,465.76
  4. Step 4: Simplify right side
    8,363.48x = 56,029,300.58
  5. Step 5: Solve for x
    x = 56,029,300.58/8,363.48
  6. Step 6: Final answer
    x = 6,699.28

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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.