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Finding the Fourth Proportional to 52,668.20, 72,646.50 and 33,828.20

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Solution

The fourth proportional to 52,668.20, 72,646.50 and 33,828.20 is: 46,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,668.20 : 72,646.50 = 33,828.20 : x
  2. Step 2: Convert to fraction form
    52,668.20/72,646.50 = 33,828.20/x
  3. Step 3: Cross multiply
    52,668.20x = 72,646.50 × 33,828.20
  4. Step 4: Simplify right side
    52,668.20x = 2,457,500,331.30
  5. Step 5: Solve for x
    x = 2,457,500,331.30/52,668.20
  6. Step 6: Final answer
    x = 46,660.04

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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.