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Finding the Fourth Proportional to 55,052.60, 75,970.52 and 29,901.56

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Solution

The fourth proportional to 55,052.60, 75,970.52 and 29,901.56 is: 41,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,052.60 : 75,970.52 = 29,901.56 : x
  2. Step 2: Convert to fraction form
    55,052.60/75,970.52 = 29,901.56/x
  3. Step 3: Cross multiply
    55,052.60x = 75,970.52 × 29,901.56
  4. Step 4: Simplify right side
    55,052.60x = 2,271,637,062.01
  5. Step 5: Solve for x
    x = 2,271,637,062.01/55,052.60
  6. Step 6: Final answer
    x = 41,263.03

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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.