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Finding the Fourth Proportional to 39,592.64, 59,392.88 and 11,512.96

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Solution

The fourth proportional to 39,592.64, 59,392.88 and 11,512.96 is: 17,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,592.64 : 59,392.88 = 11,512.96 : x
  2. Step 2: Convert to fraction form
    39,592.64/59,392.88 = 11,512.96/x
  3. Step 3: Cross multiply
    39,592.64x = 59,392.88 × 11,512.96
  4. Step 4: Simplify right side
    39,592.64x = 683,787,851.72
  5. Step 5: Solve for x
    x = 683,787,851.72/39,592.64
  6. Step 6: Final answer
    x = 17,270.58

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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.