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Finding the Fourth Proportional to 29,496.52, 40,702.74 and 16,918.60

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Solution

The fourth proportional to 29,496.52, 40,702.74 and 16,918.60 is: 23,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,496.52 : 40,702.74 = 16,918.60 : x
  2. Step 2: Convert to fraction form
    29,496.52/40,702.74 = 16,918.60/x
  3. Step 3: Cross multiply
    29,496.52x = 40,702.74 × 16,918.60
  4. Step 4: Simplify right side
    29,496.52x = 688,633,376.96
  5. Step 5: Solve for x
    x = 688,633,376.96/29,496.52
  6. Step 6: Final answer
    x = 23,346.26

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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.