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Finding the Fourth Proportional to 40,303.92, 55,623.48 and 23,538.48

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Solution

The fourth proportional to 40,303.92, 55,623.48 and 23,538.48 is: 32,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.92 : 55,623.48 = 23,538.48 : x
  2. Step 2: Convert to fraction form
    40,303.92/55,623.48 = 23,538.48/x
  3. Step 3: Cross multiply
    40,303.92x = 55,623.48 × 23,538.48
  4. Step 4: Simplify right side
    40,303.92x = 1,309,292,171.51
  5. Step 5: Solve for x
    x = 1,309,292,171.51/40,303.92
  6. Step 6: Final answer
    x = 32,485.48

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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.