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Finding the Fourth Proportional to 26,969.76, 40,457.88 and 9,203.40

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Solution

The fourth proportional to 26,969.76, 40,457.88 and 9,203.40 is: 13,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.76 : 40,457.88 = 9,203.40 : x
  2. Step 2: Convert to fraction form
    26,969.76/40,457.88 = 9,203.40/x
  3. Step 3: Cross multiply
    26,969.76x = 40,457.88 × 9,203.40
  4. Step 4: Simplify right side
    26,969.76x = 372,350,052.79
  5. Step 5: Solve for x
    x = 372,350,052.79/26,969.76
  6. Step 6: Final answer
    x = 13,806.21

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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.