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Finding the Fourth Proportional to 64,504.14, 89,028.81 and 37,281.38

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Solution

The fourth proportional to 64,504.14, 89,028.81 and 37,281.38 is: 51,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,504.14 : 89,028.81 = 37,281.38 : x
  2. Step 2: Convert to fraction form
    64,504.14/89,028.81 = 37,281.38/x
  3. Step 3: Cross multiply
    64,504.14x = 89,028.81 × 37,281.38
  4. Step 4: Simplify right side
    64,504.14x = 3,319,117,077.75
  5. Step 5: Solve for x
    x = 3,319,117,077.75/64,504.14
  6. Step 6: Final answer
    x = 51,455.88

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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.