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Finding the Fourth Proportional to 17,771,255.45, 26,617,025.10 and 17,771,255.45

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Solution

The fourth proportional to 17,771,255.45, 26,617,025.10 and 17,771,255.45 is: 26,617,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771,255.45 : 26,617,025.10 = 17,771,255.45 : x
  2. Step 2: Convert to fraction form
    17,771,255.45/26,617,025.10 = 17,771,255.45/x
  3. Step 3: Cross multiply
    17,771,255.45x = 26,617,025.10 × 17,771,255.45
  4. Step 4: Simplify right side
    17,771,255.45x = 473,017,952,371,161.81
  5. Step 5: Solve for x
    x = 473,017,952,371,161.81/17,771,255.45
  6. Step 6: Final answer
    x = 26,617,025.10

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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.