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Finding the Fourth Proportional to 6,344.76, 8,756.06 and 3,550.26

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Solution

The fourth proportional to 6,344.76, 8,756.06 and 3,550.26 is: 4,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.76 : 8,756.06 = 3,550.26 : x
  2. Step 2: Convert to fraction form
    6,344.76/8,756.06 = 3,550.26/x
  3. Step 3: Cross multiply
    6,344.76x = 8,756.06 × 3,550.26
  4. Step 4: Simplify right side
    6,344.76x = 31,086,271.82
  5. Step 5: Solve for x
    x = 31,086,271.82/6,344.76
  6. Step 6: Final answer
    x = 4,899.52

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Find fourth proportional to 3,172.38, 4,378.03 and 1,775.13
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.