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Finding the Fourth Proportional to 8,482.05, 11,703.13 and 5,080.18

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Solution

The fourth proportional to 8,482.05, 11,703.13 and 5,080.18 is: 7,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.05 : 11,703.13 = 5,080.18 : x
  2. Step 2: Convert to fraction form
    8,482.05/11,703.13 = 5,080.18/x
  3. Step 3: Cross multiply
    8,482.05x = 11,703.13 × 5,080.18
  4. Step 4: Simplify right side
    8,482.05x = 59,454,006.96
  5. Step 5: Solve for x
    x = 59,454,006.96/8,482.05
  6. Step 6: Final answer
    x = 7,009.39

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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.