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Finding the Fourth Proportional to 64,841.85, 89,504.07 and 37,993.05

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Solution

The fourth proportional to 64,841.85, 89,504.07 and 37,993.05 is: 52,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,841.85 : 89,504.07 = 37,993.05 : x
  2. Step 2: Convert to fraction form
    64,841.85/89,504.07 = 37,993.05/x
  3. Step 3: Cross multiply
    64,841.85x = 89,504.07 × 37,993.05
  4. Step 4: Simplify right side
    64,841.85x = 3,400,532,159.19
  5. Step 5: Solve for x
    x = 3,400,532,159.19/64,841.85
  6. Step 6: Final answer
    x = 52,443.48

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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.