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Finding the Fourth Proportional to 49,573.97, 68,407.84 and 28,349.81

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Solution

The fourth proportional to 49,573.97, 68,407.84 and 28,349.81 is: 39,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,573.97 : 68,407.84 = 28,349.81 : x
  2. Step 2: Convert to fraction form
    49,573.97/68,407.84 = 28,349.81/x
  3. Step 3: Cross multiply
    49,573.97x = 68,407.84 × 28,349.81
  4. Step 4: Simplify right side
    49,573.97x = 1,939,349,266.51
  5. Step 5: Solve for x
    x = 1,939,349,266.51/49,573.97
  6. Step 6: Final answer
    x = 39,120.31

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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.