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Finding the Fourth Proportional to 48,608.84, 72,913.25 and 15,331.49

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Solution

The fourth proportional to 48,608.84, 72,913.25 and 15,331.49 is: 22,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,608.84 : 72,913.25 = 15,331.49 : x
  2. Step 2: Convert to fraction form
    48,608.84/72,913.25 = 15,331.49/x
  3. Step 3: Cross multiply
    48,608.84x = 72,913.25 × 15,331.49
  4. Step 4: Simplify right side
    48,608.84x = 1,117,868,322.02
  5. Step 5: Solve for x
    x = 1,117,868,322.02/48,608.84
  6. Step 6: Final answer
    x = 22,997.23

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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.