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Finding the Fourth Proportional to 35,066.40, 52,615.20 and 18,422.40

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Solution

The fourth proportional to 35,066.40, 52,615.20 and 18,422.40 is: 27,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,066.40 : 52,615.20 = 18,422.40 : x
  2. Step 2: Convert to fraction form
    35,066.40/52,615.20 = 18,422.40/x
  3. Step 3: Cross multiply
    35,066.40x = 52,615.20 × 18,422.40
  4. Step 4: Simplify right side
    35,066.40x = 969,298,260.48
  5. Step 5: Solve for x
    x = 969,298,260.48/35,066.40
  6. Step 6: Final answer
    x = 27,641.80

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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.