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Finding the Fourth Proportional to 63,142.64, 94,732.92 and 18,770.96

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Solution

The fourth proportional to 63,142.64, 94,732.92 and 18,770.96 is: 28,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,142.64 : 94,732.92 = 18,770.96 : x
  2. Step 2: Convert to fraction form
    63,142.64/94,732.92 = 18,770.96/x
  3. Step 3: Cross multiply
    63,142.64x = 94,732.92 × 18,770.96
  4. Step 4: Simplify right side
    63,142.64x = 1,778,227,852.00
  5. Step 5: Solve for x
    x = 1,778,227,852.00/63,142.64
  6. Step 6: Final answer
    x = 28,162.08

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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.