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Finding the Fourth Proportional to 13,303,062.10, 19,954,593.15 and 12,771,621.10

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Solution

The fourth proportional to 13,303,062.10, 19,954,593.15 and 12,771,621.10 is: 19,157,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,062.10 : 19,954,593.15 = 12,771,621.10 : x
  2. Step 2: Convert to fraction form
    13,303,062.10/19,954,593.15 = 12,771,621.10/x
  3. Step 3: Cross multiply
    13,303,062.10x = 19,954,593.15 × 12,771,621.10
  4. Step 4: Simplify right side
    13,303,062.10x = 254,852,502,916,455.44
  5. Step 5: Solve for x
    x = 254,852,502,916,455.44/13,303,062.10
  6. Step 6: Final answer
    x = 19,157,431.65

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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.