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Finding the Fourth Proportional to 33,159.76, 49,752.59 and 12,384.88

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Solution

The fourth proportional to 33,159.76, 49,752.59 and 12,384.88 is: 18,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.76 : 49,752.59 = 12,384.88 : x
  2. Step 2: Convert to fraction form
    33,159.76/49,752.59 = 12,384.88/x
  3. Step 3: Cross multiply
    33,159.76x = 49,752.59 × 12,384.88
  4. Step 4: Simplify right side
    33,159.76x = 616,179,856.84
  5. Step 5: Solve for x
    x = 616,179,856.84/33,159.76
  6. Step 6: Final answer
    x = 18,582.16

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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.