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Finding the Fourth Proportional to 34,599.03, 47,736.78 and 19,486.40

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Solution

The fourth proportional to 34,599.03, 47,736.78 and 19,486.40 is: 26,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,599.03 : 47,736.78 = 19,486.40 : x
  2. Step 2: Convert to fraction form
    34,599.03/47,736.78 = 19,486.40/x
  3. Step 3: Cross multiply
    34,599.03x = 47,736.78 × 19,486.40
  4. Step 4: Simplify right side
    34,599.03x = 930,217,989.79
  5. Step 5: Solve for x
    x = 930,217,989.79/34,599.03
  6. Step 6: Final answer
    x = 26,885.67

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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.