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Finding the Fourth Proportional to 64,892.13, 89,551.13 and 35,084.13

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Solution

The fourth proportional to 64,892.13, 89,551.13 and 35,084.13 is: 48,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,892.13 : 89,551.13 = 35,084.13 : x
  2. Step 2: Convert to fraction form
    64,892.13/89,551.13 = 35,084.13/x
  3. Step 3: Cross multiply
    64,892.13x = 89,551.13 × 35,084.13
  4. Step 4: Simplify right side
    64,892.13x = 3,141,823,486.57
  5. Step 5: Solve for x
    x = 3,141,823,486.57/64,892.13
  6. Step 6: Final answer
    x = 48,416.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.