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Finding the Fourth Proportional to 5,633.79, 7,773.08 and 3,395.19

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Solution

The fourth proportional to 5,633.79, 7,773.08 and 3,395.19 is: 4,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.79 : 7,773.08 = 3,395.19 : x
  2. Step 2: Convert to fraction form
    5,633.79/7,773.08 = 3,395.19/x
  3. Step 3: Cross multiply
    5,633.79x = 7,773.08 × 3,395.19
  4. Step 4: Simplify right side
    5,633.79x = 26,391,066.51
  5. Step 5: Solve for x
    x = 26,391,066.51/5,633.79
  6. Step 6: Final answer
    x = 4,684.42

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Half scale
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Double scale
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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.