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Finding the Fourth Proportional to 57,365.88, 79,133.04 and 53,306.61

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Solution

The fourth proportional to 57,365.88, 79,133.04 and 53,306.61 is: 73,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,365.88 : 79,133.04 = 53,306.61 : x
  2. Step 2: Convert to fraction form
    57,365.88/79,133.04 = 53,306.61/x
  3. Step 3: Cross multiply
    57,365.88x = 79,133.04 × 53,306.61
  4. Step 4: Simplify right side
    57,365.88x = 4,218,314,101.39
  5. Step 5: Solve for x
    x = 4,218,314,101.39/57,365.88
  6. Step 6: Final answer
    x = 73,533.50

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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.