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Finding the Fourth Proportional to 30,652.88, 45,711.07 and 30,372.62

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Solution

The fourth proportional to 30,652.88, 45,711.07 and 30,372.62 is: 45,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.88 : 45,711.07 = 30,372.62 : x
  2. Step 2: Convert to fraction form
    30,652.88/45,711.07 = 30,372.62/x
  3. Step 3: Cross multiply
    30,652.88x = 45,711.07 × 30,372.62
  4. Step 4: Simplify right side
    30,652.88x = 1,388,364,768.31
  5. Step 5: Solve for x
    x = 1,388,364,768.31/30,652.88
  6. Step 6: Final answer
    x = 45,293.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.