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Finding the Fourth Proportional to 4,748,668.74, 7,123,668.39 and 1,554,046.02

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Solution

The fourth proportional to 4,748,668.74, 7,123,668.39 and 1,554,046.02 is: 2,331,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748,668.74 : 7,123,668.39 = 1,554,046.02 : x
  2. Step 2: Convert to fraction form
    4,748,668.74/7,123,668.39 = 1,554,046.02/x
  3. Step 3: Cross multiply
    4,748,668.74x = 7,123,668.39 × 1,554,046.02
  4. Step 4: Simplify right side
    4,748,668.74x = 11,070,508,509,279.31
  5. Step 5: Solve for x
    x = 11,070,508,509,279.31/4,748,668.74
  6. Step 6: Final answer
    x = 2,331,286.75

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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.