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Finding the Fourth Proportional to 30,592.68, 45,884.10 and 8,400.92

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Solution

The fourth proportional to 30,592.68, 45,884.10 and 8,400.92 is: 12,600.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.68 : 45,884.10 = 8,400.92 : x
  2. Step 2: Convert to fraction form
    30,592.68/45,884.10 = 8,400.92/x
  3. Step 3: Cross multiply
    30,592.68x = 45,884.10 × 8,400.92
  4. Step 4: Simplify right side
    30,592.68x = 385,468,653.37
  5. Step 5: Solve for x
    x = 385,468,653.37/30,592.68
  6. Step 6: Final answer
    x = 12,600.03

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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.