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Finding the Fourth Proportional to 20,102.65, 30,152.70 and 6,063.16

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Solution

The fourth proportional to 20,102.65, 30,152.70 and 6,063.16 is: 9,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102.65 : 30,152.70 = 6,063.16 : x
  2. Step 2: Convert to fraction form
    20,102.65/30,152.70 = 6,063.16/x
  3. Step 3: Cross multiply
    20,102.65x = 30,152.70 × 6,063.16
  4. Step 4: Simplify right side
    20,102.65x = 182,820,644.53
  5. Step 5: Solve for x
    x = 182,820,644.53/20,102.65
  6. Step 6: Final answer
    x = 9,094.36

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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.