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Finding the Fourth Proportional to 84,816.40, 127,224.60 and 22,486.90

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Solution

The fourth proportional to 84,816.40, 127,224.60 and 22,486.90 is: 33,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.40 : 127,224.60 = 22,486.90 : x
  2. Step 2: Convert to fraction form
    84,816.40/127,224.60 = 22,486.90/x
  3. Step 3: Cross multiply
    84,816.40x = 127,224.60 × 22,486.90
  4. Step 4: Simplify right side
    84,816.40x = 2,860,886,857.74
  5. Step 5: Solve for x
    x = 2,860,886,857.74/84,816.40
  6. Step 6: Final answer
    x = 33,730.35

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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.