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Finding the Fourth Proportional to 24,420.50, 33,700.29 and 13,242.50

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Solution

The fourth proportional to 24,420.50, 33,700.29 and 13,242.50 is: 18,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,420.50 : 33,700.29 = 13,242.50 : x
  2. Step 2: Convert to fraction form
    24,420.50/33,700.29 = 13,242.50/x
  3. Step 3: Cross multiply
    24,420.50x = 33,700.29 × 13,242.50
  4. Step 4: Simplify right side
    24,420.50x = 446,276,090.33
  5. Step 5: Solve for x
    x = 446,276,090.33/24,420.50
  6. Step 6: Final answer
    x = 18,274.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.