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Finding the Fourth Proportional to 52,496.61, 72,443.75 and 28,623.75

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Solution

The fourth proportional to 52,496.61, 72,443.75 and 28,623.75 is: 39,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,496.61 : 72,443.75 = 28,623.75 : x
  2. Step 2: Convert to fraction form
    52,496.61/72,443.75 = 28,623.75/x
  3. Step 3: Cross multiply
    52,496.61x = 72,443.75 × 28,623.75
  4. Step 4: Simplify right side
    52,496.61x = 2,073,611,645.94
  5. Step 5: Solve for x
    x = 2,073,611,645.94/52,496.61
  6. Step 6: Final answer
    x = 39,499.92

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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.