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Finding the Fourth Proportional to 8,059,909.80, 12,089,864.70 and 7,598,015.40

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Solution

The fourth proportional to 8,059,909.80, 12,089,864.70 and 7,598,015.40 is: 11,397,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,909.80 : 12,089,864.70 = 7,598,015.40 : x
  2. Step 2: Convert to fraction form
    8,059,909.80/12,089,864.70 = 7,598,015.40/x
  3. Step 3: Cross multiply
    8,059,909.80x = 12,089,864.70 × 7,598,015.40
  4. Step 4: Simplify right side
    8,059,909.80x = 91,858,978,174,516.38
  5. Step 5: Solve for x
    x = 91,858,978,174,516.38/8,059,909.80
  6. Step 6: Final answer
    x = 11,397,023.10

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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.