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Finding the Fourth Proportional to 63,675.86, 87,784.88 and 50,798.84

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Solution

The fourth proportional to 63,675.86, 87,784.88 and 50,798.84 is: 70,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,675.86 : 87,784.88 = 50,798.84 : x
  2. Step 2: Convert to fraction form
    63,675.86/87,784.88 = 50,798.84/x
  3. Step 3: Cross multiply
    63,675.86x = 87,784.88 × 50,798.84
  4. Step 4: Simplify right side
    63,675.86x = 4,459,369,380.62
  5. Step 5: Solve for x
    x = 4,459,369,380.62/63,675.86
  6. Step 6: Final answer
    x = 70,032.34

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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.