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Finding the Fourth Proportional to 75,052.80, 112,510.08 and 35,628.48

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Solution

The fourth proportional to 75,052.80, 112,510.08 and 35,628.48 is: 53,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,052.80 : 112,510.08 = 35,628.48 : x
  2. Step 2: Convert to fraction form
    75,052.80/112,510.08 = 35,628.48/x
  3. Step 3: Cross multiply
    75,052.80x = 112,510.08 × 35,628.48
  4. Step 4: Simplify right side
    75,052.80x = 4,008,563,135.08
  5. Step 5: Solve for x
    x = 4,008,563,135.08/75,052.80
  6. Step 6: Final answer
    x = 53,409.91

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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.