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Finding the Fourth Proportional to 7,047,793.85, 9,845,653.75 and 7,047,793.85

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Solution

The fourth proportional to 7,047,793.85, 9,845,653.75 and 7,047,793.85 is: 9,845,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,793.85 : 9,845,653.75 = 7,047,793.85 : x
  2. Step 2: Convert to fraction form
    7,047,793.85/9,845,653.75 = 7,047,793.85/x
  3. Step 3: Cross multiply
    7,047,793.85x = 9,845,653.75 × 7,047,793.85
  4. Step 4: Simplify right side
    7,047,793.85x = 69,390,137,948,479.44
  5. Step 5: Solve for x
    x = 69,390,137,948,479.44/7,047,793.85
  6. Step 6: Final answer
    x = 9,845,653.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.