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Finding the Fourth Proportional to 53,323.88, 73,583.93 and 30,659.27

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Solution

The fourth proportional to 53,323.88, 73,583.93 and 30,659.27 is: 42,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,323.88 : 73,583.93 = 30,659.27 : x
  2. Step 2: Convert to fraction form
    53,323.88/73,583.93 = 30,659.27/x
  3. Step 3: Cross multiply
    53,323.88x = 73,583.93 × 30,659.27
  4. Step 4: Simplify right side
    53,323.88x = 2,256,029,424.23
  5. Step 5: Solve for x
    x = 2,256,029,424.23/53,323.88
  6. Step 6: Final answer
    x = 42,308.05

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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.