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Finding the Fourth Proportional to 53,307.88, 73,573.86 and 30,964.84

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Solution

The fourth proportional to 53,307.88, 73,573.86 and 30,964.84 is: 42,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,307.88 : 73,573.86 = 30,964.84 : x
  2. Step 2: Convert to fraction form
    53,307.88/73,573.86 = 30,964.84/x
  3. Step 3: Cross multiply
    53,307.88x = 73,573.86 × 30,964.84
  4. Step 4: Simplify right side
    53,307.88x = 2,278,202,803.08
  5. Step 5: Solve for x
    x = 2,278,202,803.08/53,307.88
  6. Step 6: Final answer
    x = 42,736.70

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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.