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Finding the Fourth Proportional to 64,793.50, 96,970.80 and 39,849.37

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Solution

The fourth proportional to 64,793.50, 96,970.80 and 39,849.37 is: 59,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,793.50 : 96,970.80 = 39,849.37 : x
  2. Step 2: Convert to fraction form
    64,793.50/96,970.80 = 39,849.37/x
  3. Step 3: Cross multiply
    64,793.50x = 96,970.80 × 39,849.37
  4. Step 4: Simplify right side
    64,793.50x = 3,864,225,288.40
  5. Step 5: Solve for x
    x = 3,864,225,288.40/64,793.50
  6. Step 6: Final answer
    x = 59,639.09

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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.