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Finding the Fourth Proportional to 18,473.05, 25,475.50 and 14,708.65

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Solution

The fourth proportional to 18,473.05, 25,475.50 and 14,708.65 is: 20,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.05 : 25,475.50 = 14,708.65 : x
  2. Step 2: Convert to fraction form
    18,473.05/25,475.50 = 14,708.65/x
  3. Step 3: Cross multiply
    18,473.05x = 25,475.50 × 14,708.65
  4. Step 4: Simplify right side
    18,473.05x = 374,710,213.08
  5. Step 5: Solve for x
    x = 374,710,213.08/18,473.05
  6. Step 6: Final answer
    x = 20,284.16

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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.