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Finding the Fourth Proportional to 31,969.98, 44,118.76 and 18,549.22

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Solution

The fourth proportional to 31,969.98, 44,118.76 and 18,549.22 is: 25,598.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969.98 : 44,118.76 = 18,549.22 : x
  2. Step 2: Convert to fraction form
    31,969.98/44,118.76 = 18,549.22/x
  3. Step 3: Cross multiply
    31,969.98x = 44,118.76 × 18,549.22
  4. Step 4: Simplify right side
    31,969.98x = 818,368,585.37
  5. Step 5: Solve for x
    x = 818,368,585.37/31,969.98
  6. Step 6: Final answer
    x = 25,598.03

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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.