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Finding the Fourth Proportional to 24,421.60, 36,632.40 and 6,894.40

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Solution

The fourth proportional to 24,421.60, 36,632.40 and 6,894.40 is: 10,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,421.60 : 36,632.40 = 6,894.40 : x
  2. Step 2: Convert to fraction form
    24,421.60/36,632.40 = 6,894.40/x
  3. Step 3: Cross multiply
    24,421.60x = 36,632.40 × 6,894.40
  4. Step 4: Simplify right side
    24,421.60x = 252,558,418.56
  5. Step 5: Solve for x
    x = 252,558,418.56/24,421.60
  6. Step 6: Final answer
    x = 10,341.60

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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.