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Finding the Fourth Proportional to 84,924.66, 127,372.77 and 25,746.18

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Solution

The fourth proportional to 84,924.66, 127,372.77 and 25,746.18 is: 38,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,924.66 : 127,372.77 = 25,746.18 : x
  2. Step 2: Convert to fraction form
    84,924.66/127,372.77 = 25,746.18/x
  3. Step 3: Cross multiply
    84,924.66x = 127,372.77 × 25,746.18
  4. Step 4: Simplify right side
    84,924.66x = 3,279,362,263.52
  5. Step 5: Solve for x
    x = 3,279,362,263.52/84,924.66
  6. Step 6: Final answer
    x = 38,614.96

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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.