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Finding the Fourth Proportional to 2,807,668.48, 3,874,582.48 and 1,518,508.92

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Solution

The fourth proportional to 2,807,668.48, 3,874,582.48 and 1,518,508.92 is: 2,095,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,668.48 : 3,874,582.48 = 1,518,508.92 : x
  2. Step 2: Convert to fraction form
    2,807,668.48/3,874,582.48 = 1,518,508.92/x
  3. Step 3: Cross multiply
    2,807,668.48x = 3,874,582.48 × 1,518,508.92
  4. Step 4: Simplify right side
    2,807,668.48x = 5,883,588,057,155.72
  5. Step 5: Solve for x
    x = 5,883,588,057,155.72/2,807,668.48
  6. Step 6: Final answer
    x = 2,095,542.30

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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.