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Finding the Fourth Proportional to 45,693.40, 68,540.10 and 26,010.40

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Solution

The fourth proportional to 45,693.40, 68,540.10 and 26,010.40 is: 39,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,693.40 : 68,540.10 = 26,010.40 : x
  2. Step 2: Convert to fraction form
    45,693.40/68,540.10 = 26,010.40/x
  3. Step 3: Cross multiply
    45,693.40x = 68,540.10 × 26,010.40
  4. Step 4: Simplify right side
    45,693.40x = 1,782,755,417.04
  5. Step 5: Solve for x
    x = 1,782,755,417.04/45,693.40
  6. Step 6: Final answer
    x = 39,015.60

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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.