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Finding the Fourth Proportional to 6,457.26, 8,905.77 and 4,333.17

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Solution

The fourth proportional to 6,457.26, 8,905.77 and 4,333.17 is: 5,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.26 : 8,905.77 = 4,333.17 : x
  2. Step 2: Convert to fraction form
    6,457.26/8,905.77 = 4,333.17/x
  3. Step 3: Cross multiply
    6,457.26x = 8,905.77 × 4,333.17
  4. Step 4: Simplify right side
    6,457.26x = 38,590,215.39
  5. Step 5: Solve for x
    x = 38,590,215.39/6,457.26
  6. Step 6: Final answer
    x = 5,976.25

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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.