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Finding the Fourth Proportional to 45,492.64, 68,246.28 and 19,201.30

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Solution

The fourth proportional to 45,492.64, 68,246.28 and 19,201.30 is: 28,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,492.64 : 68,246.28 = 19,201.30 : x
  2. Step 2: Convert to fraction form
    45,492.64/68,246.28 = 19,201.30/x
  3. Step 3: Cross multiply
    45,492.64x = 68,246.28 × 19,201.30
  4. Step 4: Simplify right side
    45,492.64x = 1,310,417,296.16
  5. Step 5: Solve for x
    x = 1,310,417,296.16/45,492.64
  6. Step 6: Final answer
    x = 28,805.04

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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.