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Finding the Fourth Proportional to 8,482.53, 11,705.95 and 4,705.82

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Solution

The fourth proportional to 8,482.53, 11,705.95 and 4,705.82 is: 6,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.53 : 11,705.95 = 4,705.82 : x
  2. Step 2: Convert to fraction form
    8,482.53/11,705.95 = 4,705.82/x
  3. Step 3: Cross multiply
    8,482.53x = 11,705.95 × 4,705.82
  4. Step 4: Simplify right side
    8,482.53x = 55,086,093.63
  5. Step 5: Solve for x
    x = 55,086,093.63/8,482.53
  6. Step 6: Final answer
    x = 6,494.06

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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.