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Finding the Fourth Proportional to 9,459.53, 14,205.11 and 5,909.91

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Solution

The fourth proportional to 9,459.53, 14,205.11 and 5,909.91 is: 8,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.53 : 14,205.11 = 5,909.91 : x
  2. Step 2: Convert to fraction form
    9,459.53/14,205.11 = 5,909.91/x
  3. Step 3: Cross multiply
    9,459.53x = 14,205.11 × 5,909.91
  4. Step 4: Simplify right side
    9,459.53x = 83,950,921.64
  5. Step 5: Solve for x
    x = 83,950,921.64/9,459.53
  6. Step 6: Final answer
    x = 8,874.75

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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.