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Finding the Fourth Proportional to 34,611.84, 47,758.92 and 19,503.72

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Solution

The fourth proportional to 34,611.84, 47,758.92 and 19,503.72 is: 26,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,611.84 : 47,758.92 = 19,503.72 : x
  2. Step 2: Convert to fraction form
    34,611.84/47,758.92 = 19,503.72/x
  3. Step 3: Cross multiply
    34,611.84x = 47,758.92 × 19,503.72
  4. Step 4: Simplify right side
    34,611.84x = 931,476,603.18
  5. Step 5: Solve for x
    x = 931,476,603.18/34,611.84
  6. Step 6: Final answer
    x = 26,912.08

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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.