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Finding the Fourth Proportional to 9,953.70, 13,736.08 and 5,477.52

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Solution

The fourth proportional to 9,953.70, 13,736.08 and 5,477.52 is: 7,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.70 : 13,736.08 = 5,477.52 : x
  2. Step 2: Convert to fraction form
    9,953.70/13,736.08 = 5,477.52/x
  3. Step 3: Cross multiply
    9,953.70x = 13,736.08 × 5,477.52
  4. Step 4: Simplify right side
    9,953.70x = 75,239,652.92
  5. Step 5: Solve for x
    x = 75,239,652.92/9,953.70
  6. Step 6: Final answer
    x = 7,558.96

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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.