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Finding the Fourth Proportional to 19,492.58, 29,238.12 and 5,452.58

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Solution

The fourth proportional to 19,492.58, 29,238.12 and 5,452.58 is: 8,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.58 : 29,238.12 = 5,452.58 : x
  2. Step 2: Convert to fraction form
    19,492.58/29,238.12 = 5,452.58/x
  3. Step 3: Cross multiply
    19,492.58x = 29,238.12 × 5,452.58
  4. Step 4: Simplify right side
    19,492.58x = 159,423,188.35
  5. Step 5: Solve for x
    x = 159,423,188.35/19,492.58
  6. Step 6: Final answer
    x = 8,178.66

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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.