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Finding the Fourth Proportional to 48,866.40, 73,408.95 and 47,007.45

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Solution

The fourth proportional to 48,866.40, 73,408.95 and 47,007.45 is: 70,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.40 : 73,408.95 = 47,007.45 : x
  2. Step 2: Convert to fraction form
    48,866.40/73,408.95 = 47,007.45/x
  3. Step 3: Cross multiply
    48,866.40x = 73,408.95 × 47,007.45
  4. Step 4: Simplify right side
    48,866.40x = 3,450,767,546.68
  5. Step 5: Solve for x
    x = 3,450,767,546.68/48,866.40
  6. Step 6: Final answer
    x = 70,616.37

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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.