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Finding the Fourth Proportional to 64,659.52, 97,054.62 and 45,960.67

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Solution

The fourth proportional to 64,659.52, 97,054.62 and 45,960.67 is: 68,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,659.52 : 97,054.62 = 45,960.67 : x
  2. Step 2: Convert to fraction form
    64,659.52/97,054.62 = 45,960.67/x
  3. Step 3: Cross multiply
    64,659.52x = 97,054.62 × 45,960.67
  4. Step 4: Simplify right side
    64,659.52x = 4,460,695,361.80
  5. Step 5: Solve for x
    x = 4,460,695,361.80/64,659.52
  6. Step 6: Final answer
    x = 68,987.45

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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.