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Finding the Fourth Proportional to 59,784.51, 82,536.93 and 39,668.66

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Solution

The fourth proportional to 59,784.51, 82,536.93 and 39,668.66 is: 54,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784.51 : 82,536.93 = 39,668.66 : x
  2. Step 2: Convert to fraction form
    59,784.51/82,536.93 = 39,668.66/x
  3. Step 3: Cross multiply
    59,784.51x = 82,536.93 × 39,668.66
  4. Step 4: Simplify right side
    59,784.51x = 3,274,129,886.28
  5. Step 5: Solve for x
    x = 3,274,129,886.28/59,784.51
  6. Step 6: Final answer
    x = 54,765.52

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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.