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Finding the Fourth Proportional to 84,512.97, 116,627.70 and 48,702.67

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Solution

The fourth proportional to 84,512.97, 116,627.70 and 48,702.67 is: 67,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,512.97 : 116,627.70 = 48,702.67 : x
  2. Step 2: Convert to fraction form
    84,512.97/116,627.70 = 48,702.67/x
  3. Step 3: Cross multiply
    84,512.97x = 116,627.70 × 48,702.67
  4. Step 4: Simplify right side
    84,512.97x = 5,680,080,003.07
  5. Step 5: Solve for x
    x = 5,680,080,003.07/84,512.97
  6. Step 6: Final answer
    x = 67,209.57

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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.