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Finding the Fourth Proportional to 52,623.36, 72,620.88 and 28,750.32

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Solution

The fourth proportional to 52,623.36, 72,620.88 and 28,750.32 is: 39,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,623.36 : 72,620.88 = 28,750.32 : x
  2. Step 2: Convert to fraction form
    52,623.36/72,620.88 = 28,750.32/x
  3. Step 3: Cross multiply
    52,623.36x = 72,620.88 × 28,750.32
  4. Step 4: Simplify right side
    52,623.36x = 2,087,873,538.68
  5. Step 5: Solve for x
    x = 2,087,873,538.68/52,623.36
  6. Step 6: Final answer
    x = 39,675.79

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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.