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Finding the Fourth Proportional to 30,552.55, 45,835.99 and 9,491.49

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Solution

The fourth proportional to 30,552.55, 45,835.99 and 9,491.49 is: 14,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.55 : 45,835.99 = 9,491.49 : x
  2. Step 2: Convert to fraction form
    30,552.55/45,835.99 = 9,491.49/x
  3. Step 3: Cross multiply
    30,552.55x = 45,835.99 × 9,491.49
  4. Step 4: Simplify right side
    30,552.55x = 435,051,817.00
  5. Step 5: Solve for x
    x = 435,051,817.00/30,552.55
  6. Step 6: Final answer
    x = 14,239.46

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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.