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Finding the Fourth Proportional to 18,152.30, 25,047 and 10,084.66

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Solution

The fourth proportional to 18,152.30, 25,047 and 10,084.66 is: 13,915.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.30 : 25,047 = 10,084.66 : x
  2. Step 2: Convert to fraction form
    18,152.30/25,047 = 10,084.66/x
  3. Step 3: Cross multiply
    18,152.30x = 25,047 × 10,084.66
  4. Step 4: Simplify right side
    18,152.30x = 252,590,479.02
  5. Step 5: Solve for x
    x = 252,590,479.02/18,152.30
  6. Step 6: Final answer
    x = 13,915.07

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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.