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Finding the Fourth Proportional to 7,898,114.70, 11,847,172.05 and 7,898,114.70

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Solution

The fourth proportional to 7,898,114.70, 11,847,172.05 and 7,898,114.70 is: 11,847,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,114.70 : 11,847,172.05 = 7,898,114.70 : x
  2. Step 2: Convert to fraction form
    7,898,114.70/11,847,172.05 = 7,898,114.70/x
  3. Step 3: Cross multiply
    7,898,114.70x = 11,847,172.05 × 7,898,114.70
  4. Step 4: Simplify right side
    7,898,114.70x = 93,570,323,721,534.14
  5. Step 5: Solve for x
    x = 93,570,323,721,534.14/7,898,114.70
  6. Step 6: Final answer
    x = 11,847,172.05

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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.