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Finding the Fourth Proportional to 30,057.66, 41,482.65 and 17,311.32

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Solution

The fourth proportional to 30,057.66, 41,482.65 and 17,311.32 is: 23,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.66 : 41,482.65 = 17,311.32 : x
  2. Step 2: Convert to fraction form
    30,057.66/41,482.65 = 17,311.32/x
  3. Step 3: Cross multiply
    30,057.66x = 41,482.65 × 17,311.32
  4. Step 4: Simplify right side
    30,057.66x = 718,119,428.60
  5. Step 5: Solve for x
    x = 718,119,428.60/30,057.66
  6. Step 6: Final answer
    x = 23,891.40

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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.