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Finding the Fourth Proportional to 48,622.08, 72,932.96 and 15,790.08

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Solution

The fourth proportional to 48,622.08, 72,932.96 and 15,790.08 is: 23,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,622.08 : 72,932.96 = 15,790.08 : x
  2. Step 2: Convert to fraction form
    48,622.08/72,932.96 = 15,790.08/x
  3. Step 3: Cross multiply
    48,622.08x = 72,932.96 × 15,790.08
  4. Step 4: Simplify right side
    48,622.08x = 1,151,617,273.04
  5. Step 5: Solve for x
    x = 1,151,617,273.04/48,622.08
  6. Step 6: Final answer
    x = 23,685.07

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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.