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Finding the Fourth Proportional to 14,687.40, 22,032.54 and 4,822.68

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Solution

The fourth proportional to 14,687.40, 22,032.54 and 4,822.68 is: 7,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.40 : 22,032.54 = 4,822.68 : x
  2. Step 2: Convert to fraction form
    14,687.40/22,032.54 = 4,822.68/x
  3. Step 3: Cross multiply
    14,687.40x = 22,032.54 × 4,822.68
  4. Step 4: Simplify right side
    14,687.40x = 106,255,890.01
  5. Step 5: Solve for x
    x = 106,255,890.01/14,687.40
  6. Step 6: Final answer
    x = 7,234.49

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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.