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Finding the Fourth Proportional to 29,492.46, 40,713.53 and 18,888.21

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Solution

The fourth proportional to 29,492.46, 40,713.53 and 18,888.21 is: 26,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,492.46 : 40,713.53 = 18,888.21 : x
  2. Step 2: Convert to fraction form
    29,492.46/40,713.53 = 18,888.21/x
  3. Step 3: Cross multiply
    29,492.46x = 40,713.53 × 18,888.21
  4. Step 4: Simplify right side
    29,492.46x = 769,005,610.04
  5. Step 5: Solve for x
    x = 769,005,610.04/29,492.46
  6. Step 6: Final answer
    x = 26,074.65

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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.