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Finding the Fourth Proportional to 86,883.84, 130,336.02 and 27,698.76

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Solution

The fourth proportional to 86,883.84, 130,336.02 and 27,698.76 is: 41,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,883.84 : 130,336.02 = 27,698.76 : x
  2. Step 2: Convert to fraction form
    86,883.84/130,336.02 = 27,698.76/x
  3. Step 3: Cross multiply
    86,883.84x = 130,336.02 × 27,698.76
  4. Step 4: Simplify right side
    86,883.84x = 3,610,146,137.34
  5. Step 5: Solve for x
    x = 3,610,146,137.34/86,883.84
  6. Step 6: Final answer
    x = 41,551.41

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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.