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Finding the Fourth Proportional to 39,424.50, 54,408.03 and 22,658.58

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Solution

The fourth proportional to 39,424.50, 54,408.03 and 22,658.58 is: 31,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,424.50 : 54,408.03 = 22,658.58 : x
  2. Step 2: Convert to fraction form
    39,424.50/54,408.03 = 22,658.58/x
  3. Step 3: Cross multiply
    39,424.50x = 54,408.03 × 22,658.58
  4. Step 4: Simplify right side
    39,424.50x = 1,232,808,700.40
  5. Step 5: Solve for x
    x = 1,232,808,700.40/39,424.50
  6. Step 6: Final answer
    x = 31,270.12

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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.