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Finding the Fourth Proportional to 6,373.84, 8,798.88 and 4,279.36

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Solution

The fourth proportional to 6,373.84, 8,798.88 and 4,279.36 is: 5,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373.84 : 8,798.88 = 4,279.36 : x
  2. Step 2: Convert to fraction form
    6,373.84/8,798.88 = 4,279.36/x
  3. Step 3: Cross multiply
    6,373.84x = 8,798.88 × 4,279.36
  4. Step 4: Simplify right side
    6,373.84x = 37,653,575.12
  5. Step 5: Solve for x
    x = 37,653,575.12/6,373.84
  6. Step 6: Final answer
    x = 5,907.52

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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.