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Finding the Fourth Proportional to 30,141.42, 41,594.95 and 16,712.67

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Solution

The fourth proportional to 30,141.42, 41,594.95 and 16,712.67 is: 23,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.42 : 41,594.95 = 16,712.67 : x
  2. Step 2: Convert to fraction form
    30,141.42/41,594.95 = 16,712.67/x
  3. Step 3: Cross multiply
    30,141.42x = 41,594.95 × 16,712.67
  4. Step 4: Simplify right side
    30,141.42x = 695,162,673.02
  5. Step 5: Solve for x
    x = 695,162,673.02/30,141.42
  6. Step 6: Final answer
    x = 23,063.37

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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.