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Finding the Fourth Proportional to 4,478.86, 6,166.72 and 4,063.68

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Solution

The fourth proportional to 4,478.86, 6,166.72 and 4,063.68 is: 5,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.86 : 6,166.72 = 4,063.68 : x
  2. Step 2: Convert to fraction form
    4,478.86/6,166.72 = 4,063.68/x
  3. Step 3: Cross multiply
    4,478.86x = 6,166.72 × 4,063.68
  4. Step 4: Simplify right side
    4,478.86x = 25,059,533.29
  5. Step 5: Solve for x
    x = 25,059,533.29/4,478.86
  6. Step 6: Final answer
    x = 5,595.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.