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Finding the Fourth Proportional to 52,900.73, 79,364.76 and 19,630.28

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Solution

The fourth proportional to 52,900.73, 79,364.76 and 19,630.28 is: 29,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,900.73 : 79,364.76 = 19,630.28 : x
  2. Step 2: Convert to fraction form
    52,900.73/79,364.76 = 19,630.28/x
  3. Step 3: Cross multiply
    52,900.73x = 79,364.76 × 19,630.28
  4. Step 4: Simplify right side
    52,900.73x = 1,557,952,064.11
  5. Step 5: Solve for x
    x = 1,557,952,064.11/52,900.73
  6. Step 6: Final answer
    x = 29,450.49

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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.