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Finding the Fourth Proportional to 24,328.80, 36,489.60 and 6,800.40

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Solution

The fourth proportional to 24,328.80, 36,489.60 and 6,800.40 is: 10,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,328.80 : 36,489.60 = 6,800.40 : x
  2. Step 2: Convert to fraction form
    24,328.80/36,489.60 = 6,800.40/x
  3. Step 3: Cross multiply
    24,328.80x = 36,489.60 × 6,800.40
  4. Step 4: Simplify right side
    24,328.80x = 248,143,875.84
  5. Step 5: Solve for x
    x = 248,143,875.84/24,328.80
  6. Step 6: Final answer
    x = 10,199.59

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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.