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Finding the Fourth Proportional to 32,702.43, 45,128.03 and 18,554.97

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Solution

The fourth proportional to 32,702.43, 45,128.03 and 18,554.97 is: 25,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,702.43 : 45,128.03 = 18,554.97 : x
  2. Step 2: Convert to fraction form
    32,702.43/45,128.03 = 18,554.97/x
  3. Step 3: Cross multiply
    32,702.43x = 45,128.03 × 18,554.97
  4. Step 4: Simplify right side
    32,702.43x = 837,349,150.03
  5. Step 5: Solve for x
    x = 837,349,150.03/32,702.43
  6. Step 6: Final answer
    x = 25,605.10

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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.