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Finding the Fourth Proportional to 18,492.84, 27,739.02 and 4,641.84

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Solution

The fourth proportional to 18,492.84, 27,739.02 and 4,641.84 is: 6,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.84 : 27,739.02 = 4,641.84 : x
  2. Step 2: Convert to fraction form
    18,492.84/27,739.02 = 4,641.84/x
  3. Step 3: Cross multiply
    18,492.84x = 27,739.02 × 4,641.84
  4. Step 4: Simplify right side
    18,492.84x = 128,760,092.60
  5. Step 5: Solve for x
    x = 128,760,092.60/18,492.84
  6. Step 6: Final answer
    x = 6,962.70

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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.