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Finding the Fourth Proportional to 52,820.92, 72,894.56 and 28,949.06

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Solution

The fourth proportional to 52,820.92, 72,894.56 and 28,949.06 is: 39,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,820.92 : 72,894.56 = 28,949.06 : x
  2. Step 2: Convert to fraction form
    52,820.92/72,894.56 = 28,949.06/x
  3. Step 3: Cross multiply
    52,820.92x = 72,894.56 × 28,949.06
  4. Step 4: Simplify right side
    52,820.92x = 2,110,228,991.11
  5. Step 5: Solve for x
    x = 2,110,228,991.11/52,820.92
  6. Step 6: Final answer
    x = 39,950.63

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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.