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Finding the Fourth Proportional to 61,073.68, 91,623.60 and 18,952.84

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Solution

The fourth proportional to 61,073.68, 91,623.60 and 18,952.84 is: 28,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,073.68 : 91,623.60 = 18,952.84 : x
  2. Step 2: Convert to fraction form
    61,073.68/91,623.60 = 18,952.84/x
  3. Step 3: Cross multiply
    61,073.68x = 91,623.60 × 18,952.84
  4. Step 4: Simplify right side
    61,073.68x = 1,736,527,431.02
  5. Step 5: Solve for x
    x = 1,736,527,431.02/61,073.68
  6. Step 6: Final answer
    x = 28,433.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.