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Finding the Fourth Proportional to 52,575.97, 78,817.02 and 19,288.24

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Solution

The fourth proportional to 52,575.97, 78,817.02 and 19,288.24 is: 28,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,575.97 : 78,817.02 = 19,288.24 : x
  2. Step 2: Convert to fraction form
    52,575.97/78,817.02 = 19,288.24/x
  3. Step 3: Cross multiply
    52,575.97x = 78,817.02 × 19,288.24
  4. Step 4: Simplify right side
    52,575.97x = 1,520,241,597.84
  5. Step 5: Solve for x
    x = 1,520,241,597.84/52,575.97
  6. Step 6: Final answer
    x = 28,915.14

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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.