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Finding the Fourth Proportional to 23,888.70, 32,994.18 and 15,917.04

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Solution

The fourth proportional to 23,888.70, 32,994.18 and 15,917.04 is: 21,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,888.70 : 32,994.18 = 15,917.04 : x
  2. Step 2: Convert to fraction form
    23,888.70/32,994.18 = 15,917.04/x
  3. Step 3: Cross multiply
    23,888.70x = 32,994.18 × 15,917.04
  4. Step 4: Simplify right side
    23,888.70x = 525,169,682.83
  5. Step 5: Solve for x
    x = 525,169,682.83/23,888.70
  6. Step 6: Final answer
    x = 21,984.02

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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.