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Finding the Fourth Proportional to 35,406.54, 48,861.08 and 19,491.05

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Solution

The fourth proportional to 35,406.54, 48,861.08 and 19,491.05 is: 26,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.54 : 48,861.08 = 19,491.05 : x
  2. Step 2: Convert to fraction form
    35,406.54/48,861.08 = 19,491.05/x
  3. Step 3: Cross multiply
    35,406.54x = 48,861.08 × 19,491.05
  4. Step 4: Simplify right side
    35,406.54x = 952,353,411.57
  5. Step 5: Solve for x
    x = 952,353,411.57/35,406.54
  6. Step 6: Final answer
    x = 26,897.67

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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.