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Finding the Fourth Proportional to 52,668.00, 72,681.84 and 28,794.68

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Solution

The fourth proportional to 52,668.00, 72,681.84 and 28,794.68 is: 39,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,668.00 : 72,681.84 = 28,794.68 : x
  2. Step 2: Convert to fraction form
    52,668.00/72,681.84 = 28,794.68/x
  3. Step 3: Cross multiply
    52,668.00x = 72,681.84 × 28,794.68
  4. Step 4: Simplify right side
    52,668.00x = 2,092,850,253.03
  5. Step 5: Solve for x
    x = 2,092,850,253.03/52,668.00
  6. Step 6: Final answer
    x = 39,736.66

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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.