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Finding the Fourth Proportional to 35,373.50, 48,822.36 and 20,276.28

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Solution

The fourth proportional to 35,373.50, 48,822.36 and 20,276.28 is: 27,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.50 : 48,822.36 = 20,276.28 : x
  2. Step 2: Convert to fraction form
    35,373.50/48,822.36 = 20,276.28/x
  3. Step 3: Cross multiply
    35,373.50x = 48,822.36 × 20,276.28
  4. Step 4: Simplify right side
    35,373.50x = 989,935,841.62
  5. Step 5: Solve for x
    x = 989,935,841.62/35,373.50
  6. Step 6: Final answer
    x = 27,985.24

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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.