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Finding the Fourth Proportional to 21,435.93, 32,023.11 and 17,058.29

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Solution

The fourth proportional to 21,435.93, 32,023.11 and 17,058.29 is: 25,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.93 : 32,023.11 = 17,058.29 : x
  2. Step 2: Convert to fraction form
    21,435.93/32,023.11 = 17,058.29/x
  3. Step 3: Cross multiply
    21,435.93x = 32,023.11 × 17,058.29
  4. Step 4: Simplify right side
    21,435.93x = 546,259,336.97
  5. Step 5: Solve for x
    x = 546,259,336.97/21,435.93
  6. Step 6: Final answer
    x = 25,483.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.