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Finding the Fourth Proportional to 11,658,627.60, 17,487,941.40 and 10,902,800.40

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Solution

The fourth proportional to 11,658,627.60, 17,487,941.40 and 10,902,800.40 is: 16,354,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658,627.60 : 17,487,941.40 = 10,902,800.40 : x
  2. Step 2: Convert to fraction form
    11,658,627.60/17,487,941.40 = 10,902,800.40/x
  3. Step 3: Cross multiply
    11,658,627.60x = 17,487,941.40 × 10,902,800.40
  4. Step 4: Simplify right side
    11,658,627.60x = 190,667,534,491,096.56
  5. Step 5: Solve for x
    x = 190,667,534,491,096.56/11,658,627.60
  6. Step 6: Final answer
    x = 16,354,200.60

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Similar ratio
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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.