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Finding the Fourth Proportional to 23,492.01, 32,420.49 and 15,520.26

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Solution

The fourth proportional to 23,492.01, 32,420.49 and 15,520.26 is: 21,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,492.01 : 32,420.49 = 15,520.26 : x
  2. Step 2: Convert to fraction form
    23,492.01/32,420.49 = 15,520.26/x
  3. Step 3: Cross multiply
    23,492.01x = 32,420.49 × 15,520.26
  4. Step 4: Simplify right side
    23,492.01x = 503,174,434.13
  5. Step 5: Solve for x
    x = 503,174,434.13/23,492.01
  6. Step 6: Final answer
    x = 21,418.96

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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.