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Finding the Fourth Proportional to 4,699.80, 6,486.57 and 2,683.50

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Solution

The fourth proportional to 4,699.80, 6,486.57 and 2,683.50 is: 3,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.80 : 6,486.57 = 2,683.50 : x
  2. Step 2: Convert to fraction form
    4,699.80/6,486.57 = 2,683.50/x
  3. Step 3: Cross multiply
    4,699.80x = 6,486.57 × 2,683.50
  4. Step 4: Simplify right side
    4,699.80x = 17,406,710.60
  5. Step 5: Solve for x
    x = 17,406,710.60/4,699.80
  6. Step 6: Final answer
    x = 3,703.71

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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.