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Finding the Fourth Proportional to 5,656.26, 7,805.44 and 3,417.74

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Solution

The fourth proportional to 5,656.26, 7,805.44 and 3,417.74 is: 4,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.26 : 7,805.44 = 3,417.74 : x
  2. Step 2: Convert to fraction form
    5,656.26/7,805.44 = 3,417.74/x
  3. Step 3: Cross multiply
    5,656.26x = 7,805.44 × 3,417.74
  4. Step 4: Simplify right side
    5,656.26x = 26,676,964.51
  5. Step 5: Solve for x
    x = 26,676,964.51/5,656.26
  6. Step 6: Final answer
    x = 4,716.36

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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.