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Finding the Fourth Proportional to 30,469.84, 42,048.26 and 17,041.04

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Solution

The fourth proportional to 30,469.84, 42,048.26 and 17,041.04 is: 23,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,469.84 : 42,048.26 = 17,041.04 : x
  2. Step 2: Convert to fraction form
    30,469.84/42,048.26 = 17,041.04/x
  3. Step 3: Cross multiply
    30,469.84x = 42,048.26 × 17,041.04
  4. Step 4: Simplify right side
    30,469.84x = 716,546,080.59
  5. Step 5: Solve for x
    x = 716,546,080.59/30,469.84
  6. Step 6: Final answer
    x = 23,516.57

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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.