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Finding the Fourth Proportional to 17,530.90, 24,150.24 and 15,004.90

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Solution

The fourth proportional to 17,530.90, 24,150.24 and 15,004.90 is: 20,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,530.90 : 24,150.24 = 15,004.90 : x
  2. Step 2: Convert to fraction form
    17,530.90/24,150.24 = 15,004.90/x
  3. Step 3: Cross multiply
    17,530.90x = 24,150.24 × 15,004.90
  4. Step 4: Simplify right side
    17,530.90x = 362,371,936.18
  5. Step 5: Solve for x
    x = 362,371,936.18/17,530.90
  6. Step 6: Final answer
    x = 20,670.47

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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.