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Finding the Fourth Proportional to 34,045.79, 51,074.01 and 17,396.78

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Solution

The fourth proportional to 34,045.79, 51,074.01 and 17,396.78 is: 26,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.79 : 51,074.01 = 17,396.78 : x
  2. Step 2: Convert to fraction form
    34,045.79/51,074.01 = 17,396.78/x
  3. Step 3: Cross multiply
    34,045.79x = 51,074.01 × 17,396.78
  4. Step 4: Simplify right side
    34,045.79x = 888,523,060.32
  5. Step 5: Solve for x
    x = 888,523,060.32/34,045.79
  6. Step 6: Final answer
    x = 26,097.89

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1.5x scale

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.