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Finding the Fourth Proportional to 18,164.02, 25,066.90 and 10,206.04

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Solution

The fourth proportional to 18,164.02, 25,066.90 and 10,206.04 is: 14,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.02 : 25,066.90 = 10,206.04 : x
  2. Step 2: Convert to fraction form
    18,164.02/25,066.90 = 10,206.04/x
  3. Step 3: Cross multiply
    18,164.02x = 25,066.90 × 10,206.04
  4. Step 4: Simplify right side
    18,164.02x = 255,833,784.08
  5. Step 5: Solve for x
    x = 255,833,784.08/18,164.02
  6. Step 6: Final answer
    x = 14,084.65

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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.