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Finding the Fourth Proportional to 65,102.37, 89,842.95 and 36,421.08

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Solution

The fourth proportional to 65,102.37, 89,842.95 and 36,421.08 is: 50,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,102.37 : 89,842.95 = 36,421.08 : x
  2. Step 2: Convert to fraction form
    65,102.37/89,842.95 = 36,421.08/x
  3. Step 3: Cross multiply
    65,102.37x = 89,842.95 × 36,421.08
  4. Step 4: Simplify right side
    65,102.37x = 3,272,177,269.39
  5. Step 5: Solve for x
    x = 3,272,177,269.39/65,102.37
  6. Step 6: Final answer
    x = 50,262.03

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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.