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Finding the Fourth Proportional to 84,887.40, 127,824.33 and 62,856.84

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Solution

The fourth proportional to 84,887.40, 127,824.33 and 62,856.84 is: 94,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,887.40 : 127,824.33 = 62,856.84 : x
  2. Step 2: Convert to fraction form
    84,887.40/127,824.33 = 62,856.84/x
  3. Step 3: Cross multiply
    84,887.40x = 127,824.33 × 62,856.84
  4. Step 4: Simplify right side
    84,887.40x = 8,034,633,458.92
  5. Step 5: Solve for x
    x = 8,034,633,458.92/84,887.40
  6. Step 6: Final answer
    x = 94,650.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.