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Finding the Fourth Proportional to 84,841.70, 127,262.55 and 47,363.30

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Solution

The fourth proportional to 84,841.70, 127,262.55 and 47,363.30 is: 71,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,841.70 : 127,262.55 = 47,363.30 : x
  2. Step 2: Convert to fraction form
    84,841.70/127,262.55 = 47,363.30/x
  3. Step 3: Cross multiply
    84,841.70x = 127,262.55 × 47,363.30
  4. Step 4: Simplify right side
    84,841.70x = 6,027,574,334.42
  5. Step 5: Solve for x
    x = 6,027,574,334.42/84,841.70
  6. Step 6: Final answer
    x = 71,044.95

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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.