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Finding the Fourth Proportional to 17,925.84, 26,868.84 and 13,529.04

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Solution

The fourth proportional to 17,925.84, 26,868.84 and 13,529.04 is: 20,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,925.84 : 26,868.84 = 13,529.04 : x
  2. Step 2: Convert to fraction form
    17,925.84/26,868.84 = 13,529.04/x
  3. Step 3: Cross multiply
    17,925.84x = 26,868.84 × 13,529.04
  4. Step 4: Simplify right side
    17,925.84x = 363,509,611.11
  5. Step 5: Solve for x
    x = 363,509,611.11/17,925.84
  6. Step 6: Final answer
    x = 20,278.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.