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Finding the Fourth Proportional to 35,591.52, 53,389.80 and 10,631.28

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Solution

The fourth proportional to 35,591.52, 53,389.80 and 10,631.28 is: 15,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,591.52 : 53,389.80 = 10,631.28 : x
  2. Step 2: Convert to fraction form
    35,591.52/53,389.80 = 10,631.28/x
  3. Step 3: Cross multiply
    35,591.52x = 53,389.80 × 10,631.28
  4. Step 4: Simplify right side
    35,591.52x = 567,601,912.94
  5. Step 5: Solve for x
    x = 567,601,912.94/35,591.52
  6. Step 6: Final answer
    x = 15,947.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.