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Finding the Fourth Proportional to 35,309.99, 48,727.56 and 21,162.83

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Solution

The fourth proportional to 35,309.99, 48,727.56 and 21,162.83 is: 29,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.99 : 48,727.56 = 21,162.83 : x
  2. Step 2: Convert to fraction form
    35,309.99/48,727.56 = 21,162.83/x
  3. Step 3: Cross multiply
    35,309.99x = 48,727.56 × 21,162.83
  4. Step 4: Simplify right side
    35,309.99x = 1,031,213,068.59
  5. Step 5: Solve for x
    x = 1,031,213,068.59/35,309.99
  6. Step 6: Final answer
    x = 29,204.57

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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.