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Finding the Fourth Proportional to 53,285.52, 73,530.03 and 30,624.54

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Solution

The fourth proportional to 53,285.52, 73,530.03 and 30,624.54 is: 42,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,285.52 : 73,530.03 = 30,624.54 : x
  2. Step 2: Convert to fraction form
    53,285.52/73,530.03 = 30,624.54/x
  3. Step 3: Cross multiply
    53,285.52x = 73,530.03 × 30,624.54
  4. Step 4: Simplify right side
    53,285.52x = 2,251,823,344.94
  5. Step 5: Solve for x
    x = 2,251,823,344.94/53,285.52
  6. Step 6: Final answer
    x = 42,259.57

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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.