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Finding the Fourth Proportional to 25,888.01, 35,691.05 and 16,920.10

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Solution

The fourth proportional to 25,888.01, 35,691.05 and 16,920.10 is: 23,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.01 : 35,691.05 = 16,920.10 : x
  2. Step 2: Convert to fraction form
    25,888.01/35,691.05 = 16,920.10/x
  3. Step 3: Cross multiply
    25,888.01x = 35,691.05 × 16,920.10
  4. Step 4: Simplify right side
    25,888.01x = 603,895,872.05
  5. Step 5: Solve for x
    x = 603,895,872.05/25,888.01
  6. Step 6: Final answer
    x = 23,327.24

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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.