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Finding the Fourth Proportional to 6,146.55, 8,482.98 and 3,494.19

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Solution

The fourth proportional to 6,146.55, 8,482.98 and 3,494.19 is: 4,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.55 : 8,482.98 = 3,494.19 : x
  2. Step 2: Convert to fraction form
    6,146.55/8,482.98 = 3,494.19/x
  3. Step 3: Cross multiply
    6,146.55x = 8,482.98 × 3,494.19
  4. Step 4: Simplify right side
    6,146.55x = 29,641,143.89
  5. Step 5: Solve for x
    x = 29,641,143.89/6,146.55
  6. Step 6: Final answer
    x = 4,822.40

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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.