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Finding the Fourth Proportional to 30,061.53, 45,087.03 and 10,340.46

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Solution

The fourth proportional to 30,061.53, 45,087.03 and 10,340.46 is: 15,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,061.53 : 45,087.03 = 10,340.46 : x
  2. Step 2: Convert to fraction form
    30,061.53/45,087.03 = 10,340.46/x
  3. Step 3: Cross multiply
    30,061.53x = 45,087.03 × 10,340.46
  4. Step 4: Simplify right side
    30,061.53x = 466,220,630.23
  5. Step 5: Solve for x
    x = 466,220,630.23/30,061.53
  6. Step 6: Final answer
    x = 15,508.88

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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.