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Finding the Fourth Proportional to 30,935.99, 46,344.29 and 18,465.99

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Solution

The fourth proportional to 30,935.99, 46,344.29 and 18,465.99 is: 27,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.99 : 46,344.29 = 18,465.99 : x
  2. Step 2: Convert to fraction form
    30,935.99/46,344.29 = 18,465.99/x
  3. Step 3: Cross multiply
    30,935.99x = 46,344.29 × 18,465.99
  4. Step 4: Simplify right side
    30,935.99x = 855,793,103.37
  5. Step 5: Solve for x
    x = 855,793,103.37/30,935.99
  6. Step 6: Final answer
    x = 27,663.35

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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.