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Finding the Fourth Proportional to 30,369.16, 45,553.74 and 15,568.64

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Solution

The fourth proportional to 30,369.16, 45,553.74 and 15,568.64 is: 23,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.16 : 45,553.74 = 15,568.64 : x
  2. Step 2: Convert to fraction form
    30,369.16/45,553.74 = 15,568.64/x
  3. Step 3: Cross multiply
    30,369.16x = 45,553.74 × 15,568.64
  4. Step 4: Simplify right side
    30,369.16x = 709,209,778.71
  5. Step 5: Solve for x
    x = 709,209,778.71/30,369.16
  6. Step 6: Final answer
    x = 23,352.96

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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.