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Finding the Fourth Proportional to 20,194,000.40, 30,291,173.40 and 6,730,828.40

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Solution

The fourth proportional to 20,194,000.40, 30,291,173.40 and 6,730,828.40 is: 10,096,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,000.40 : 30,291,173.40 = 6,730,828.40 : x
  2. Step 2: Convert to fraction form
    20,194,000.40/30,291,173.40 = 6,730,828.40/x
  3. Step 3: Cross multiply
    20,194,000.40x = 30,291,173.40 × 6,730,828.40
  4. Step 4: Simplify right side
    20,194,000.40x = 203,884,690,190,044.56
  5. Step 5: Solve for x
    x = 203,884,690,190,044.56/20,194,000.40
  6. Step 6: Final answer
    x = 10,096,300.20

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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.