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Finding the Fourth Proportional to 24,200.05, 36,300.08 and 20,312.05

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Solution

The fourth proportional to 24,200.05, 36,300.08 and 20,312.05 is: 30,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,200.05 : 36,300.08 = 20,312.05 : x
  2. Step 2: Convert to fraction form
    24,200.05/36,300.08 = 20,312.05/x
  3. Step 3: Cross multiply
    24,200.05x = 36,300.08 × 20,312.05
  4. Step 4: Simplify right side
    24,200.05x = 737,328,938.40
  5. Step 5: Solve for x
    x = 737,328,938.40/24,200.05
  6. Step 6: Final answer
    x = 30,468.08

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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.