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Finding the Fourth Proportional to 9,295,952.80, 13,971,922.80 and 8,064,234.40

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Solution

The fourth proportional to 9,295,952.80, 13,971,922.80 and 8,064,234.40 is: 12,120,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,952.80 : 13,971,922.80 = 8,064,234.40 : x
  2. Step 2: Convert to fraction form
    9,295,952.80/13,971,922.80 = 8,064,234.40/x
  3. Step 3: Cross multiply
    9,295,952.80x = 13,971,922.80 × 8,064,234.40
  4. Step 4: Simplify right side
    9,295,952.80x = 112,672,860,477,904.33
  5. Step 5: Solve for x
    x = 112,672,860,477,904.33/9,295,952.80
  6. Step 6: Final answer
    x = 12,120,636.03

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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.