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Finding the Fourth Proportional to 29,492.96, 40,714.22 and 18,888.71

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Solution

The fourth proportional to 29,492.96, 40,714.22 and 18,888.71 is: 26,075.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,492.96 : 40,714.22 = 18,888.71 : x
  2. Step 2: Convert to fraction form
    29,492.96/40,714.22 = 18,888.71/x
  3. Step 3: Cross multiply
    29,492.96x = 40,714.22 × 18,888.71
  4. Step 4: Simplify right side
    29,492.96x = 769,039,000.01
  5. Step 5: Solve for x
    x = 769,039,000.01/29,492.96
  6. Step 6: Final answer
    x = 26,075.34

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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.