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Finding the Fourth Proportional to 16,965.50, 25,437.98 and 7,603.79

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Solution

The fourth proportional to 16,965.50, 25,437.98 and 7,603.79 is: 11,401.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.50 : 25,437.98 = 7,603.79 : x
  2. Step 2: Convert to fraction form
    16,965.50/25,437.98 = 7,603.79/x
  3. Step 3: Cross multiply
    16,965.50x = 25,437.98 × 7,603.79
  4. Step 4: Simplify right side
    16,965.50x = 193,424,892.74
  5. Step 5: Solve for x
    x = 193,424,892.74/16,965.50
  6. Step 6: Final answer
    x = 11,401.08

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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.