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Finding the Fourth Proportional to 33,894.47, 46,748.00 and 20,451.71

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Solution

The fourth proportional to 33,894.47, 46,748.00 and 20,451.71 is: 28,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,894.47 : 46,748.00 = 20,451.71 : x
  2. Step 2: Convert to fraction form
    33,894.47/46,748.00 = 20,451.71/x
  3. Step 3: Cross multiply
    33,894.47x = 46,748.00 × 20,451.71
  4. Step 4: Simplify right side
    33,894.47x = 956,076,707.08
  5. Step 5: Solve for x
    x = 956,076,707.08/33,894.47
  6. Step 6: Final answer
    x = 28,207.45

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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.