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Finding the Fourth Proportional to 64,855.86, 97,283.82 and 50,086.32

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Solution

The fourth proportional to 64,855.86, 97,283.82 and 50,086.32 is: 75,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,855.86 : 97,283.82 = 50,086.32 : x
  2. Step 2: Convert to fraction form
    64,855.86/97,283.82 = 50,086.32/x
  3. Step 3: Cross multiply
    64,855.86x = 97,283.82 × 50,086.32
  4. Step 4: Simplify right side
    64,855.86x = 4,872,588,539.34
  5. Step 5: Solve for x
    x = 4,872,588,539.34/64,855.86
  6. Step 6: Final answer
    x = 75,129.50

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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.