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Finding the Fourth Proportional to 64,507.50, 96,779.70 and 32,891.67

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Solution

The fourth proportional to 64,507.50, 96,779.70 and 32,891.67 is: 49,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,507.50 : 96,779.70 = 32,891.67 : x
  2. Step 2: Convert to fraction form
    64,507.50/96,779.70 = 32,891.67/x
  3. Step 3: Cross multiply
    64,507.50x = 96,779.70 × 32,891.67
  4. Step 4: Simplify right side
    64,507.50x = 3,183,245,955.10
  5. Step 5: Solve for x
    x = 3,183,245,955.10/64,507.50
  6. Step 6: Final answer
    x = 49,346.91

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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.