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Finding the Fourth Proportional to 35,420.44, 48,880.28 and 19,504.92

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Solution

The fourth proportional to 35,420.44, 48,880.28 and 19,504.92 is: 26,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.44 : 48,880.28 = 19,504.92 : x
  2. Step 2: Convert to fraction form
    35,420.44/48,880.28 = 19,504.92/x
  3. Step 3: Cross multiply
    35,420.44x = 48,880.28 × 19,504.92
  4. Step 4: Simplify right side
    35,420.44x = 953,405,950.98
  5. Step 5: Solve for x
    x = 953,405,950.98/35,420.44
  6. Step 6: Final answer
    x = 26,916.83

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Double scale
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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.