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Finding the Fourth Proportional to 7,482.15, 11,208.65 and 4,553.19

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Solution

The fourth proportional to 7,482.15, 11,208.65 and 4,553.19 is: 6,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.15 : 11,208.65 = 4,553.19 : x
  2. Step 2: Convert to fraction form
    7,482.15/11,208.65 = 4,553.19/x
  3. Step 3: Cross multiply
    7,482.15x = 11,208.65 × 4,553.19
  4. Step 4: Simplify right side
    7,482.15x = 51,035,090.33
  5. Step 5: Solve for x
    x = 51,035,090.33/7,482.15
  6. Step 6: Final answer
    x = 6,820.91

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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.