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Finding the Fourth Proportional to 76,563.52, 114,878.16 and 26,616.40

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Solution

The fourth proportional to 76,563.52, 114,878.16 and 26,616.40 is: 39,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,563.52 : 114,878.16 = 26,616.40 : x
  2. Step 2: Convert to fraction form
    76,563.52/114,878.16 = 26,616.40/x
  3. Step 3: Cross multiply
    76,563.52x = 114,878.16 × 26,616.40
  4. Step 4: Simplify right side
    76,563.52x = 3,057,643,057.82
  5. Step 5: Solve for x
    x = 3,057,643,057.82/76,563.52
  6. Step 6: Final answer
    x = 39,936.03

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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.