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Finding the Fourth Proportional to 34,211.53, 47,211.00 and 19,103.77

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Solution

The fourth proportional to 34,211.53, 47,211.00 and 19,103.77 is: 26,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,211.53 : 47,211.00 = 19,103.77 : x
  2. Step 2: Convert to fraction form
    34,211.53/47,211.00 = 19,103.77/x
  3. Step 3: Cross multiply
    34,211.53x = 47,211.00 × 19,103.77
  4. Step 4: Simplify right side
    34,211.53x = 901,908,072.84
  5. Step 5: Solve for x
    x = 901,908,072.84/34,211.53
  6. Step 6: Final answer
    x = 26,362.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.