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Finding the Fourth Proportional to 55,648.53, 83,473.71 and 15,668.47

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Solution

The fourth proportional to 55,648.53, 83,473.71 and 15,668.47 is: 23,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,648.53 : 83,473.71 = 15,668.47 : x
  2. Step 2: Convert to fraction form
    55,648.53/83,473.71 = 15,668.47/x
  3. Step 3: Cross multiply
    55,648.53x = 83,473.71 × 15,668.47
  4. Step 4: Simplify right side
    55,648.53x = 1,307,905,384.39
  5. Step 5: Solve for x
    x = 1,307,905,384.39/55,648.53
  6. Step 6: Final answer
    x = 23,502.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.