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Finding the Fourth Proportional to 29,430.52, 40,619.98 and 17,491.52

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Solution

The fourth proportional to 29,430.52, 40,619.98 and 17,491.52 is: 24,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.52 : 40,619.98 = 17,491.52 : x
  2. Step 2: Convert to fraction form
    29,430.52/40,619.98 = 17,491.52/x
  3. Step 3: Cross multiply
    29,430.52x = 40,619.98 × 17,491.52
  4. Step 4: Simplify right side
    29,430.52x = 710,505,192.57
  5. Step 5: Solve for x
    x = 710,505,192.57/29,430.52
  6. Step 6: Final answer
    x = 24,141.78

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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.