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Finding the Fourth Proportional to 18,152.86, 27,185.54 and 10,337.98

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Solution

The fourth proportional to 18,152.86, 27,185.54 and 10,337.98 is: 15,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.86 : 27,185.54 = 10,337.98 : x
  2. Step 2: Convert to fraction form
    18,152.86/27,185.54 = 10,337.98/x
  3. Step 3: Cross multiply
    18,152.86x = 27,185.54 × 10,337.98
  4. Step 4: Simplify right side
    18,152.86x = 281,043,568.81
  5. Step 5: Solve for x
    x = 281,043,568.81/18,152.86
  6. Step 6: Final answer
    x = 15,482.05

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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.