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Finding the Fourth Proportional to 64,858.38, 89,504.10 and 37,995.12

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Solution

The fourth proportional to 64,858.38, 89,504.10 and 37,995.12 is: 52,432.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,858.38 : 89,504.10 = 37,995.12 : x
  2. Step 2: Convert to fraction form
    64,858.38/89,504.10 = 37,995.12/x
  3. Step 3: Cross multiply
    64,858.38x = 89,504.10 × 37,995.12
  4. Step 4: Simplify right side
    64,858.38x = 3,400,719,019.99
  5. Step 5: Solve for x
    x = 3,400,719,019.99/64,858.38
  6. Step 6: Final answer
    x = 52,432.99

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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.