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Finding the Fourth Proportional to 53,488.92, 73,806.87 and 29,615.54

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Solution

The fourth proportional to 53,488.92, 73,806.87 and 29,615.54 is: 40,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.92 : 73,806.87 = 29,615.54 : x
  2. Step 2: Convert to fraction form
    53,488.92/73,806.87 = 29,615.54/x
  3. Step 3: Cross multiply
    53,488.92x = 73,806.87 × 29,615.54
  4. Step 4: Simplify right side
    53,488.92x = 2,185,830,052.78
  5. Step 5: Solve for x
    x = 2,185,830,052.78/53,488.92
  6. Step 6: Final answer
    x = 40,865.10

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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.