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Finding the Fourth Proportional to 36,752.08, 50,718.18 and 19,985.08

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Solution

The fourth proportional to 36,752.08, 50,718.18 and 19,985.08 is: 27,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,752.08 : 50,718.18 = 19,985.08 : x
  2. Step 2: Convert to fraction form
    36,752.08/50,718.18 = 19,985.08/x
  3. Step 3: Cross multiply
    36,752.08x = 50,718.18 × 19,985.08
  4. Step 4: Simplify right side
    36,752.08x = 1,013,606,884.75
  5. Step 5: Solve for x
    x = 1,013,606,884.75/36,752.08
  6. Step 6: Final answer
    x = 27,579.58

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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.