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Finding the Fourth Proportional to 51,668.57, 77,430.67 and 27,924.93

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Solution

The fourth proportional to 51,668.57, 77,430.67 and 27,924.93 is: 41,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,668.57 : 77,430.67 = 27,924.93 : x
  2. Step 2: Convert to fraction form
    51,668.57/77,430.67 = 27,924.93/x
  3. Step 3: Cross multiply
    51,668.57x = 77,430.67 × 27,924.93
  4. Step 4: Simplify right side
    51,668.57x = 2,162,246,039.60
  5. Step 5: Solve for x
    x = 2,162,246,039.60/51,668.57
  6. Step 6: Final answer
    x = 41,848.38

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1.5x scale

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.