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Finding the Fourth Proportional to 30,463.96, 42,040.15 and 17,035.17

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Solution

The fourth proportional to 30,463.96, 42,040.15 and 17,035.17 is: 23,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,463.96 : 42,040.15 = 17,035.17 : x
  2. Step 2: Convert to fraction form
    30,463.96/42,040.15 = 17,035.17/x
  3. Step 3: Cross multiply
    30,463.96x = 42,040.15 × 17,035.17
  4. Step 4: Simplify right side
    30,463.96x = 716,161,102.08
  5. Step 5: Solve for x
    x = 716,161,102.08/30,463.96
  6. Step 6: Final answer
    x = 23,508.47

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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.