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Finding the Fourth Proportional to 48,395.00, 72,620.10 and 18,808.98

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Solution

The fourth proportional to 48,395.00, 72,620.10 and 18,808.98 is: 28,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,395.00 : 72,620.10 = 18,808.98 : x
  2. Step 2: Convert to fraction form
    48,395.00/72,620.10 = 18,808.98/x
  3. Step 3: Cross multiply
    48,395.00x = 72,620.10 × 18,808.98
  4. Step 4: Simplify right side
    48,395.00x = 1,365,910,008.50
  5. Step 5: Solve for x
    x = 1,365,910,008.50/48,395.00
  6. Step 6: Final answer
    x = 28,224.20

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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.