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Finding the Fourth Proportional to 45,354.73, 68,038.25 and 15,768.73

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Solution

The fourth proportional to 45,354.73, 68,038.25 and 15,768.73 is: 23,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,354.73 : 68,038.25 = 15,768.73 : x
  2. Step 2: Convert to fraction form
    45,354.73/68,038.25 = 15,768.73/x
  3. Step 3: Cross multiply
    45,354.73x = 68,038.25 × 15,768.73
  4. Step 4: Simplify right side
    45,354.73x = 1,072,876,715.08
  5. Step 5: Solve for x
    x = 1,072,876,715.08/45,354.73
  6. Step 6: Final answer
    x = 23,655.24

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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.