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Finding the Fourth Proportional to 6,265.66, 8,646.74 and 3,875.98

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Solution

The fourth proportional to 6,265.66, 8,646.74 and 3,875.98 is: 5,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.66 : 8,646.74 = 3,875.98 : x
  2. Step 2: Convert to fraction form
    6,265.66/8,646.74 = 3,875.98/x
  3. Step 3: Cross multiply
    6,265.66x = 8,646.74 × 3,875.98
  4. Step 4: Simplify right side
    6,265.66x = 33,514,591.31
  5. Step 5: Solve for x
    x = 33,514,591.31/6,265.66
  6. Step 6: Final answer
    x = 5,348.93

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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.