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Finding the Fourth Proportional to 67,283.33, 100,925.76 and 28,809.65

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Solution

The fourth proportional to 67,283.33, 100,925.76 and 28,809.65 is: 43,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,283.33 : 100,925.76 = 28,809.65 : x
  2. Step 2: Convert to fraction form
    67,283.33/100,925.76 = 28,809.65/x
  3. Step 3: Cross multiply
    67,283.33x = 100,925.76 × 28,809.65
  4. Step 4: Simplify right side
    67,283.33x = 2,907,635,424.99
  5. Step 5: Solve for x
    x = 2,907,635,424.99/67,283.33
  6. Step 6: Final answer
    x = 43,214.80

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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.