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Finding the Fourth Proportional to 30,002.70, 44,955.45 and 25,628.70

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Solution

The fourth proportional to 30,002.70, 44,955.45 and 25,628.70 is: 38,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.70 : 44,955.45 = 25,628.70 : x
  2. Step 2: Convert to fraction form
    30,002.70/44,955.45 = 25,628.70/x
  3. Step 3: Cross multiply
    30,002.70x = 44,955.45 × 25,628.70
  4. Step 4: Simplify right side
    30,002.70x = 1,152,149,741.42
  5. Step 5: Solve for x
    x = 1,152,149,741.42/30,002.70
  6. Step 6: Final answer
    x = 38,401.54

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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.