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Finding the Fourth Proportional to 52,497.72, 72,446.94 and 30,988.44

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Solution

The fourth proportional to 52,497.72, 72,446.94 and 30,988.44 is: 42,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497.72 : 72,446.94 = 30,988.44 : x
  2. Step 2: Convert to fraction form
    52,497.72/72,446.94 = 30,988.44/x
  3. Step 3: Cross multiply
    52,497.72x = 72,446.94 × 30,988.44
  4. Step 4: Simplify right side
    52,497.72x = 2,245,017,653.37
  5. Step 5: Solve for x
    x = 2,245,017,653.37/52,497.72
  6. Step 6: Final answer
    x = 42,764.10

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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.