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Finding the Fourth Proportional to 45,200.98, 67,800.93 and 21,810.88

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Solution

The fourth proportional to 45,200.98, 67,800.93 and 21,810.88 is: 32,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,200.98 : 67,800.93 = 21,810.88 : x
  2. Step 2: Convert to fraction form
    45,200.98/67,800.93 = 21,810.88/x
  3. Step 3: Cross multiply
    45,200.98x = 67,800.93 × 21,810.88
  4. Step 4: Simplify right side
    45,200.98x = 1,478,797,948.12
  5. Step 5: Solve for x
    x = 1,478,797,948.12/45,200.98
  6. Step 6: Final answer
    x = 32,716.06

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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.