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Finding the Fourth Proportional to 23,714.61, 32,726.11 and 13,642.80

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Solution

The fourth proportional to 23,714.61, 32,726.11 and 13,642.80 is: 18,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,714.61 : 32,726.11 = 13,642.80 : x
  2. Step 2: Convert to fraction form
    23,714.61/32,726.11 = 13,642.80/x
  3. Step 3: Cross multiply
    23,714.61x = 32,726.11 × 13,642.80
  4. Step 4: Simplify right side
    23,714.61x = 446,475,773.51
  5. Step 5: Solve for x
    x = 446,475,773.51/23,714.61
  6. Step 6: Final answer
    x = 18,827.03

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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.