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Finding the Fourth Proportional to 51,615.63, 71,218.74 and 33,736.91

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Solution

The fourth proportional to 51,615.63, 71,218.74 and 33,736.91 is: 46,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615.63 : 71,218.74 = 33,736.91 : x
  2. Step 2: Convert to fraction form
    51,615.63/71,218.74 = 33,736.91/x
  3. Step 3: Cross multiply
    51,615.63x = 71,218.74 × 33,736.91
  4. Step 4: Simplify right side
    51,615.63x = 2,402,699,992.11
  5. Step 5: Solve for x
    x = 2,402,699,992.11/51,615.63
  6. Step 6: Final answer
    x = 46,549.85

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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.