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Finding the Fourth Proportional to 38,678.58, 58,020.90 and 16,492.12

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Solution

The fourth proportional to 38,678.58, 58,020.90 and 16,492.12 is: 24,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,678.58 : 58,020.90 = 16,492.12 : x
  2. Step 2: Convert to fraction form
    38,678.58/58,020.90 = 16,492.12/x
  3. Step 3: Cross multiply
    38,678.58x = 58,020.90 × 16,492.12
  4. Step 4: Simplify right side
    38,678.58x = 956,887,645.31
  5. Step 5: Solve for x
    x = 956,887,645.31/38,678.58
  6. Step 6: Final answer
    x = 24,739.47

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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.