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Finding the Fourth Proportional to 17,771,256.45, 26,617,026.60 and 17,771,256.45

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Solution

The fourth proportional to 17,771,256.45, 26,617,026.60 and 17,771,256.45 is: 26,617,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771,256.45 : 26,617,026.60 = 17,771,256.45 : x
  2. Step 2: Convert to fraction form
    17,771,256.45/26,617,026.60 = 17,771,256.45/x
  3. Step 3: Cross multiply
    17,771,256.45x = 26,617,026.60 × 17,771,256.45
  4. Step 4: Simplify right side
    17,771,256.45x = 473,018,005,645,071.56
  5. Step 5: Solve for x
    x = 473,018,005,645,071.56/17,771,256.45
  6. Step 6: Final answer
    x = 26,617,026.60

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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.