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Finding the Fourth Proportional to 6,495.98, 8,965.94 and 4,256.57

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Solution

The fourth proportional to 6,495.98, 8,965.94 and 4,256.57 is: 5,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.98 : 8,965.94 = 4,256.57 : x
  2. Step 2: Convert to fraction form
    6,495.98/8,965.94 = 4,256.57/x
  3. Step 3: Cross multiply
    6,495.98x = 8,965.94 × 4,256.57
  4. Step 4: Simplify right side
    6,495.98x = 38,164,152.36
  5. Step 5: Solve for x
    x = 38,164,152.36/6,495.98
  6. Step 6: Final answer
    x = 5,875.05

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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.