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Finding the Fourth Proportional to 12,302.64, 18,454.02 and 3,068.64

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Solution

The fourth proportional to 12,302.64, 18,454.02 and 3,068.64 is: 4,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.64 : 18,454.02 = 3,068.64 : x
  2. Step 2: Convert to fraction form
    12,302.64/18,454.02 = 3,068.64/x
  3. Step 3: Cross multiply
    12,302.64x = 18,454.02 × 3,068.64
  4. Step 4: Simplify right side
    12,302.64x = 56,628,743.93
  5. Step 5: Solve for x
    x = 56,628,743.93/12,302.64
  6. Step 6: Final answer
    x = 4,602.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.