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Finding the Fourth Proportional to 19,603.60, 27,052.50 and 10,650.90

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Solution

The fourth proportional to 19,603.60, 27,052.50 and 10,650.90 is: 14,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.60 : 27,052.50 = 10,650.90 : x
  2. Step 2: Convert to fraction form
    19,603.60/27,052.50 = 10,650.90/x
  3. Step 3: Cross multiply
    19,603.60x = 27,052.50 × 10,650.90
  4. Step 4: Simplify right side
    19,603.60x = 288,133,472.25
  5. Step 5: Solve for x
    x = 288,133,472.25/19,603.60
  6. Step 6: Final answer
    x = 14,697.99

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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.