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Finding the Fourth Proportional to 11,457,894.02, 15,811,674.50 and 6,301,255.56

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Solution

The fourth proportional to 11,457,894.02, 15,811,674.50 and 6,301,255.56 is: 8,695,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457,894.02 : 15,811,674.50 = 6,301,255.56 : x
  2. Step 2: Convert to fraction form
    11,457,894.02/15,811,674.50 = 6,301,255.56/x
  3. Step 3: Cross multiply
    11,457,894.02x = 15,811,674.50 × 6,301,255.56
  4. Step 4: Simplify right side
    11,457,894.02x = 99,633,401,957,720.44
  5. Step 5: Solve for x
    x = 99,633,401,957,720.44/11,457,894.02
  6. Step 6: Final answer
    x = 8,695,612.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.