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Finding the Fourth Proportional to 30,401.01, 41,957.64 and 16,973.13

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Solution

The fourth proportional to 30,401.01, 41,957.64 and 16,973.13 is: 23,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.01 : 41,957.64 = 16,973.13 : x
  2. Step 2: Convert to fraction form
    30,401.01/41,957.64 = 16,973.13/x
  3. Step 3: Cross multiply
    30,401.01x = 41,957.64 × 16,973.13
  4. Step 4: Simplify right side
    30,401.01x = 712,152,478.21
  5. Step 5: Solve for x
    x = 712,152,478.21/30,401.01
  6. Step 6: Final answer
    x = 23,425.29

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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.