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Finding the Fourth Proportional to 13,732.58, 20,598.87 and 4,965.45

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Solution

The fourth proportional to 13,732.58, 20,598.87 and 4,965.45 is: 7,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.58 : 20,598.87 = 4,965.45 : x
  2. Step 2: Convert to fraction form
    13,732.58/20,598.87 = 4,965.45/x
  3. Step 3: Cross multiply
    13,732.58x = 20,598.87 × 4,965.45
  4. Step 4: Simplify right side
    13,732.58x = 102,282,531.22
  5. Step 5: Solve for x
    x = 102,282,531.22/13,732.58
  6. Step 6: Final answer
    x = 7,448.17

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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.