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Finding the Fourth Proportional to 13,716.59, 20,585.30 and 9,035.01

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Solution

The fourth proportional to 13,716.59, 20,585.30 and 9,035.01 is: 13,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.59 : 20,585.30 = 9,035.01 : x
  2. Step 2: Convert to fraction form
    13,716.59/20,585.30 = 9,035.01/x
  3. Step 3: Cross multiply
    13,716.59x = 20,585.30 × 9,035.01
  4. Step 4: Simplify right side
    13,716.59x = 185,988,346.18
  5. Step 5: Solve for x
    x = 185,988,346.18/13,716.59
  6. Step 6: Final answer
    x = 13,559.38

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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.