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Finding the Fourth Proportional to 6,275.98, 8,661.12 and 3,482.02

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Solution

The fourth proportional to 6,275.98, 8,661.12 and 3,482.02 is: 4,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.98 : 8,661.12 = 3,482.02 : x
  2. Step 2: Convert to fraction form
    6,275.98/8,661.12 = 3,482.02/x
  3. Step 3: Cross multiply
    6,275.98x = 8,661.12 × 3,482.02
  4. Step 4: Simplify right side
    6,275.98x = 30,158,193.06
  5. Step 5: Solve for x
    x = 30,158,193.06/6,275.98
  6. Step 6: Final answer
    x = 4,805.34

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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.