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Finding the Fourth Proportional to 83,702.85, 125,554.28 and 36,946.41

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Solution

The fourth proportional to 83,702.85, 125,554.28 and 36,946.41 is: 55,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.85 : 125,554.28 = 36,946.41 : x
  2. Step 2: Convert to fraction form
    83,702.85/125,554.28 = 36,946.41/x
  3. Step 3: Cross multiply
    83,702.85x = 125,554.28 × 36,946.41
  4. Step 4: Simplify right side
    83,702.85x = 4,638,780,330.78
  5. Step 5: Solve for x
    x = 4,638,780,330.78/83,702.85
  6. Step 6: Final answer
    x = 55,419.62

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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.