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Finding the Fourth Proportional to 45,354.60, 68,015.70 and 15,773.40

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Solution

The fourth proportional to 45,354.60, 68,015.70 and 15,773.40 is: 23,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,354.60 : 68,015.70 = 15,773.40 : x
  2. Step 2: Convert to fraction form
    45,354.60/68,015.70 = 15,773.40/x
  3. Step 3: Cross multiply
    45,354.60x = 68,015.70 × 15,773.40
  4. Step 4: Simplify right side
    45,354.60x = 1,072,838,842.38
  5. Step 5: Solve for x
    x = 1,072,838,842.38/45,354.60
  6. Step 6: Final answer
    x = 23,654.47

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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.