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Finding the Fourth Proportional to 63,783.88, 88,019.95 and 36,926.83

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Solution

The fourth proportional to 63,783.88, 88,019.95 and 36,926.83 is: 50,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,783.88 : 88,019.95 = 36,926.83 : x
  2. Step 2: Convert to fraction form
    63,783.88/88,019.95 = 36,926.83/x
  3. Step 3: Cross multiply
    63,783.88x = 88,019.95 × 36,926.83
  4. Step 4: Simplify right side
    63,783.88x = 3,250,297,730.26
  5. Step 5: Solve for x
    x = 3,250,297,730.26/63,783.88
  6. Step 6: Final answer
    x = 50,957.98

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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.