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Finding the Fourth Proportional to 29,470.69, 40,668.83 and 16,894.63

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Solution

The fourth proportional to 29,470.69, 40,668.83 and 16,894.63 is: 23,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,470.69 : 40,668.83 = 16,894.63 : x
  2. Step 2: Convert to fraction form
    29,470.69/40,668.83 = 16,894.63/x
  3. Step 3: Cross multiply
    29,470.69x = 40,668.83 × 16,894.63
  4. Step 4: Simplify right side
    29,470.69x = 687,084,632.04
  5. Step 5: Solve for x
    x = 687,084,632.04/29,470.69
  6. Step 6: Final answer
    x = 23,314.17

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1.5x scale

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.