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Finding the Fourth Proportional to 35,496.66, 48,987.81 and 20,592.66

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Solution

The fourth proportional to 35,496.66, 48,987.81 and 20,592.66 is: 28,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,496.66 : 48,987.81 = 20,592.66 : x
  2. Step 2: Convert to fraction form
    35,496.66/48,987.81 = 20,592.66/x
  3. Step 3: Cross multiply
    35,496.66x = 48,987.81 × 20,592.66
  4. Step 4: Simplify right side
    35,496.66x = 1,008,789,315.47
  5. Step 5: Solve for x
    x = 1,008,789,315.47/35,496.66
  6. Step 6: Final answer
    x = 28,419.27

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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.