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Finding the Fourth Proportional to 64,208.70, 96,313.05 and 16,823.70

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Solution

The fourth proportional to 64,208.70, 96,313.05 and 16,823.70 is: 25,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208.70 : 96,313.05 = 16,823.70 : x
  2. Step 2: Convert to fraction form
    64,208.70/96,313.05 = 16,823.70/x
  3. Step 3: Cross multiply
    64,208.70x = 96,313.05 × 16,823.70
  4. Step 4: Simplify right side
    64,208.70x = 1,620,341,859.29
  5. Step 5: Solve for x
    x = 1,620,341,859.29/64,208.70
  6. Step 6: Final answer
    x = 25,235.55

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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.