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Finding the Fourth Proportional to 84,702.78, 127,035.63 and 34,733.70

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Solution

The fourth proportional to 84,702.78, 127,035.63 and 34,733.70 is: 52,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,702.78 : 127,035.63 = 34,733.70 : x
  2. Step 2: Convert to fraction form
    84,702.78/127,035.63 = 34,733.70/x
  3. Step 3: Cross multiply
    84,702.78x = 127,035.63 × 34,733.70
  4. Step 4: Simplify right side
    84,702.78x = 4,412,417,461.73
  5. Step 5: Solve for x
    x = 4,412,417,461.73/84,702.78
  6. Step 6: Final answer
    x = 52,092.95

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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.