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Finding the Fourth Proportional to 24,666.40, 36,999.60 and 9,080.80

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Solution

The fourth proportional to 24,666.40, 36,999.60 and 9,080.80 is: 13,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,666.40 : 36,999.60 = 9,080.80 : x
  2. Step 2: Convert to fraction form
    24,666.40/36,999.60 = 9,080.80/x
  3. Step 3: Cross multiply
    24,666.40x = 36,999.60 × 9,080.80
  4. Step 4: Simplify right side
    24,666.40x = 335,985,967.68
  5. Step 5: Solve for x
    x = 335,985,967.68/24,666.40
  6. Step 6: Final answer
    x = 13,621.20

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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.