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Finding the Fourth Proportional to 52,662.24, 72,675.03 and 28,788.90

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Solution

The fourth proportional to 52,662.24, 72,675.03 and 28,788.90 is: 39,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,662.24 : 72,675.03 = 28,788.90 : x
  2. Step 2: Convert to fraction form
    52,662.24/72,675.03 = 28,788.90/x
  3. Step 3: Cross multiply
    52,662.24x = 72,675.03 × 28,788.90
  4. Step 4: Simplify right side
    52,662.24x = 2,092,233,807.79
  5. Step 5: Solve for x
    x = 2,092,233,807.79/52,662.24
  6. Step 6: Final answer
    x = 39,729.30

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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.