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Finding the Fourth Proportional to 36,666.05, 50,599.15 and 19,899.05

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Solution

The fourth proportional to 36,666.05, 50,599.15 and 19,899.05 is: 27,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,666.05 : 50,599.15 = 19,899.05 : x
  2. Step 2: Convert to fraction form
    36,666.05/50,599.15 = 19,899.05/x
  3. Step 3: Cross multiply
    36,666.05x = 50,599.15 × 19,899.05
  4. Step 4: Simplify right side
    36,666.05x = 1,006,875,015.81
  5. Step 5: Solve for x
    x = 1,006,875,015.81/36,666.05
  6. Step 6: Final answer
    x = 27,460.69

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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.