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Finding the Fourth Proportional to 52,750.33, 72,795.57 and 28,878.49

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Solution

The fourth proportional to 52,750.33, 72,795.57 and 28,878.49 is: 39,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,750.33 : 72,795.57 = 28,878.49 : x
  2. Step 2: Convert to fraction form
    52,750.33/72,795.57 = 28,878.49/x
  3. Step 3: Cross multiply
    52,750.33x = 72,795.57 × 28,878.49
  4. Step 4: Simplify right side
    52,750.33x = 2,102,226,140.29
  5. Step 5: Solve for x
    x = 2,102,226,140.29/52,750.33
  6. Step 6: Final answer
    x = 39,852.38

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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.