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Finding the Fourth Proportional to 49,995.68, 68,998.30 and 28,492.00

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Solution

The fourth proportional to 49,995.68, 68,998.30 and 28,492.00 is: 39,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,995.68 : 68,998.30 = 28,492.00 : x
  2. Step 2: Convert to fraction form
    49,995.68/68,998.30 = 28,492.00/x
  3. Step 3: Cross multiply
    49,995.68x = 68,998.30 × 28,492.00
  4. Step 4: Simplify right side
    49,995.68x = 1,965,899,319.87
  5. Step 5: Solve for x
    x = 1,965,899,319.87/49,995.68
  6. Step 6: Final answer
    x = 39,321.39

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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.