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Finding the Fourth Proportional to 43,696.47, 60,276.78 and 30,275.58

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Solution

The fourth proportional to 43,696.47, 60,276.78 and 30,275.58 is: 41,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,696.47 : 60,276.78 = 30,275.58 : x
  2. Step 2: Convert to fraction form
    43,696.47/60,276.78 = 30,275.58/x
  3. Step 3: Cross multiply
    43,696.47x = 60,276.78 × 30,275.58
  4. Step 4: Simplify right side
    43,696.47x = 1,824,914,475.03
  5. Step 5: Solve for x
    x = 1,824,914,475.03/43,696.47
  6. Step 6: Final answer
    x = 41,763.43

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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.