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Finding the Fourth Proportional to 30,383.16, 41,925.06 and 16,955.16

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Solution

The fourth proportional to 30,383.16, 41,925.06 and 16,955.16 is: 23,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.16 : 41,925.06 = 16,955.16 : x
  2. Step 2: Convert to fraction form
    30,383.16/41,925.06 = 16,955.16/x
  3. Step 3: Cross multiply
    30,383.16x = 41,925.06 × 16,955.16
  4. Step 4: Simplify right side
    30,383.16x = 710,846,100.31
  5. Step 5: Solve for x
    x = 710,846,100.31/30,383.16
  6. Step 6: Final answer
    x = 23,396.06

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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.