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Finding the Fourth Proportional to 17,647,538.40, 26,471,307.60 and 17,647,538.40

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Solution

The fourth proportional to 17,647,538.40, 26,471,307.60 and 17,647,538.40 is: 26,471,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647,538.40 : 26,471,307.60 = 17,647,538.40 : x
  2. Step 2: Convert to fraction form
    17,647,538.40/26,471,307.60 = 17,647,538.40/x
  3. Step 3: Cross multiply
    17,647,538.40x = 26,471,307.60 × 17,647,538.40
  4. Step 4: Simplify right side
    17,647,538.40x = 467,153,417,369,211.81
  5. Step 5: Solve for x
    x = 467,153,417,369,211.81/17,647,538.40
  6. Step 6: Final answer
    x = 26,471,307.60

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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.