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Finding the Fourth Proportional to 30,376.49, 45,564.73 and 9,599.99

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Solution

The fourth proportional to 30,376.49, 45,564.73 and 9,599.99 is: 14,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.49 : 45,564.73 = 9,599.99 : x
  2. Step 2: Convert to fraction form
    30,376.49/45,564.73 = 9,599.99/x
  3. Step 3: Cross multiply
    30,376.49x = 45,564.73 × 9,599.99
  4. Step 4: Simplify right side
    30,376.49x = 437,420,700.53
  5. Step 5: Solve for x
    x = 437,420,700.53/30,376.49
  6. Step 6: Final answer
    x = 14,399.98

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Similar ratio
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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.