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Finding the Fourth Proportional to 9,907,793.55, 13,842,567.45 and 9,907,793.55

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Solution

The fourth proportional to 9,907,793.55, 13,842,567.45 and 9,907,793.55 is: 13,842,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907,793.55 : 13,842,567.45 = 9,907,793.55 : x
  2. Step 2: Convert to fraction form
    9,907,793.55/13,842,567.45 = 9,907,793.55/x
  3. Step 3: Cross multiply
    9,907,793.55x = 13,842,567.45 × 9,907,793.55
  4. Step 4: Simplify right side
    9,907,793.55x = 137,149,300,496,549.95
  5. Step 5: Solve for x
    x = 137,149,300,496,549.95/9,907,793.55
  6. Step 6: Final answer
    x = 13,842,567.45

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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.