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Finding the Fourth Proportional to 18,952.12, 26,188.68 and 18,041.68

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Solution

The fourth proportional to 18,952.12, 26,188.68 and 18,041.68 is: 24,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.12 : 26,188.68 = 18,041.68 : x
  2. Step 2: Convert to fraction form
    18,952.12/26,188.68 = 18,041.68/x
  3. Step 3: Cross multiply
    18,952.12x = 26,188.68 × 18,041.68
  4. Step 4: Simplify right side
    18,952.12x = 472,487,784.18
  5. Step 5: Solve for x
    x = 472,487,784.18/18,952.12
  6. Step 6: Final answer
    x = 24,930.60

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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.