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Finding the Fourth Proportional to 30,329.98, 41,854.80 and 16,900.94

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Solution

The fourth proportional to 30,329.98, 41,854.80 and 16,900.94 is: 23,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.98 : 41,854.80 = 16,900.94 : x
  2. Step 2: Convert to fraction form
    30,329.98/41,854.80 = 16,900.94/x
  3. Step 3: Cross multiply
    30,329.98x = 41,854.80 × 16,900.94
  4. Step 4: Simplify right side
    30,329.98x = 707,385,536.46
  5. Step 5: Solve for x
    x = 707,385,536.46/30,329.98
  6. Step 6: Final answer
    x = 23,322.98

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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.