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Finding the Fourth Proportional to 44,805.50, 67,208.25 and 15,621.50

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Solution

The fourth proportional to 44,805.50, 67,208.25 and 15,621.50 is: 23,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,805.50 : 67,208.25 = 15,621.50 : x
  2. Step 2: Convert to fraction form
    44,805.50/67,208.25 = 15,621.50/x
  3. Step 3: Cross multiply
    44,805.50x = 67,208.25 × 15,621.50
  4. Step 4: Simplify right side
    44,805.50x = 1,049,893,677.38
  5. Step 5: Solve for x
    x = 1,049,893,677.38/44,805.50
  6. Step 6: Final answer
    x = 23,432.25

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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.