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Finding the Fourth Proportional to 64,777.98, 89,394.76 and 36,484.68

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Solution

The fourth proportional to 64,777.98, 89,394.76 and 36,484.68 is: 50,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,777.98 : 89,394.76 = 36,484.68 : x
  2. Step 2: Convert to fraction form
    64,777.98/89,394.76 = 36,484.68/x
  3. Step 3: Cross multiply
    64,777.98x = 89,394.76 × 36,484.68
  4. Step 4: Simplify right side
    64,777.98x = 3,261,539,212.28
  5. Step 5: Solve for x
    x = 3,261,539,212.28/64,777.98
  6. Step 6: Final answer
    x = 50,349.50

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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.