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Finding the Fourth Proportional to 35,372.52, 48,802.50 and 20,266.92

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Solution

The fourth proportional to 35,372.52, 48,802.50 and 20,266.92 is: 27,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,372.52 : 48,802.50 = 20,266.92 : x
  2. Step 2: Convert to fraction form
    35,372.52/48,802.50 = 20,266.92/x
  3. Step 3: Cross multiply
    35,372.52x = 48,802.50 × 20,266.92
  4. Step 4: Simplify right side
    35,372.52x = 989,076,363.30
  5. Step 5: Solve for x
    x = 989,076,363.30/35,372.52
  6. Step 6: Final answer
    x = 27,961.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.