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Finding the Fourth Proportional to 42,227.80, 63,343.74 and 11,063.08

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Solution

The fourth proportional to 42,227.80, 63,343.74 and 11,063.08 is: 16,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,227.80 : 63,343.74 = 11,063.08 : x
  2. Step 2: Convert to fraction form
    42,227.80/63,343.74 = 11,063.08/x
  3. Step 3: Cross multiply
    42,227.80x = 63,343.74 × 11,063.08
  4. Step 4: Simplify right side
    42,227.80x = 700,776,863.12
  5. Step 5: Solve for x
    x = 700,776,863.12/42,227.80
  6. Step 6: Final answer
    x = 16,595.15

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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.