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Finding the Fourth Proportional to 26,675.40, 40,012.05 and 6,954.12

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Solution

The fourth proportional to 26,675.40, 40,012.05 and 6,954.12 is: 10,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,675.40 : 40,012.05 = 6,954.12 : x
  2. Step 2: Convert to fraction form
    26,675.40/40,012.05 = 6,954.12/x
  3. Step 3: Cross multiply
    26,675.40x = 40,012.05 × 6,954.12
  4. Step 4: Simplify right side
    26,675.40x = 278,248,597.15
  5. Step 5: Solve for x
    x = 278,248,597.15/26,675.40
  6. Step 6: Final answer
    x = 10,430.91

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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.