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Finding the Fourth Proportional to 24,820.80, 37,218.40 and 9,230.40

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Solution

The fourth proportional to 24,820.80, 37,218.40 and 9,230.40 is: 13,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,820.80 : 37,218.40 = 9,230.40 : x
  2. Step 2: Convert to fraction form
    24,820.80/37,218.40 = 9,230.40/x
  3. Step 3: Cross multiply
    24,820.80x = 37,218.40 × 9,230.40
  4. Step 4: Simplify right side
    24,820.80x = 343,540,719.36
  5. Step 5: Solve for x
    x = 343,540,719.36/24,820.80
  6. Step 6: Final answer
    x = 13,840.84

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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.