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Finding the Fourth Proportional to 5,482.08, 8,222.16 and 1,783.77

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Solution

The fourth proportional to 5,482.08, 8,222.16 and 1,783.77 is: 2,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.08 : 8,222.16 = 1,783.77 : x
  2. Step 2: Convert to fraction form
    5,482.08/8,222.16 = 1,783.77/x
  3. Step 3: Cross multiply
    5,482.08x = 8,222.16 × 1,783.77
  4. Step 4: Simplify right side
    5,482.08x = 14,666,442.34
  5. Step 5: Solve for x
    x = 14,666,442.34/5,482.08
  6. Step 6: Final answer
    x = 2,675.34

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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.